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Minimum number of times a specific knot must be passed through itself to become untied
unknotting numbers for the first few knots: Trefoil knot unknotting number 1 Figure-eight knot unknotting number 1 Cinquefoil knot unknotting number 2
Unknotting_number
Topics referred to by the same term
Unknotting may refer to: Unknotting number, the minimum number of times the knot must be passed through itself to untie it Unknotting problem, a mathematical
Unknotting
Determining whether a knot is the unknot
showed that the unknotting problem is in the complexity class NP. Hara, Tani & Yamamoto (2005) claimed the weaker result that unknotting is in AM ∩ co-AM;
Unknotting_problem
Integer-valued knot invariant; least number of crossings in a knot diagram
equal to crossing number. Other numerical knot invariants include the bridge number, linking number, stick number, and unknotting number. Tait, P. G. (1898)
Crossing_number_(knot_theory)
Mathematical knot with crossing number 7
construct the simplest known counterexample to the conjecture that the unknotting number is additive under connected sum. The 71 knot is invertible but not
71_knot
Loop seen as a trivial knot
Embedding of the circle in three dimensional Euclidean space Unknotting number – Minimum number of times a specific knot must be passed through itself to
Unknot
bridge number of K is one less than the sum of the bridge numbers of K1 and K2. Crossing number Linking number Stick number Unknotting number Adams, Colin
Bridge_number
Family of mathematical knots
half-twists (72 knot) Six half-twists (81 knot) All twist knots have unknotting number one, since the knot can be untied by unlinking the two ends. Every
Twist_knot
American mathematician
unknotting number of a knot was not viable. In 2025, the pair gave a counterexample to another long-standing conjecture, showing that the unknotting number
Susan_Hermiller
How many times curves wind around each other
single curve is regular homotopic to a standard circle (any knot can be unknotted if the curve is allowed to pass through itself). The fact that it is homotopic
Linking_number
Knot invariant
150. Kawauchi credits this result to Kondo, H. (1979), "Knots of unknotting number 1 and their Alexander polynomials", Osaka J. Math. 16: 551-559, and
Alexander_polynomial
Mathematical theory
provides a measure of complexity of an open curve similar to the unknotting number. Virtual knots are another generalization of knot diagrams. Whereas
Open_knot_theory
American mathematician
He gave the first proof of the classical theorem that knots with unknotting number one are prime. He used hard combinatorial arguments for this. Simpler
Martin_Scharlemann
Concept in knot theory
Conway spheres. Gordon, Cameron McA.; Luecke, John (2006). "Knots with unknotting number 1 and essential Conway spheres". Algebraic & Geometric Topology. 6
Conway_sphere
conjectures Temperley–Lieb algebra Thurston–Bennequin number Tricolorability Unknotting number Unknotting problem Volume conjecture Schubert's theorem Conway's
List_of_knot_theory_topics
last of Ravenel's conjectures in stable homotopy theory to be resolved. Unknotting problem: can unknots be recognized in polynomial time? Volume conjecture
List of unsolved problems in mathematics
List_of_unsolved_problems_in_mathematics
2011 knot theory book by Meike Akveld and Andrew Jobbings
crossing number of a knot, the minimum number of crossings in its diagrams. Chapter four discusses another invariant, the unknotting number, the minimum
Knots_Unravelled
Physical team-building activity
Not all human knots are solvable, as can be shown in knot theory (see unknotting problem), and can remain knots or may end up as two or more circles. An
Human_knot
Three linked but pairwise separated rings
and cannot be separated from each other, but that break apart into two unknotted and unlinked loops when any one of the three is cut or removed. Most commonly
Borromean_rings
Unique knot with a crossing number of four
the unique knot with a crossing number of four. This makes it the knot with the third-smallest possible crossing number, after the unknot and the trefoil
Figure-eight knot (mathematics)
Figure-eight_knot_(mathematics)
Knot which lies on the surface of a torus in 3-dimensional space
a torus knot is a special kind of knot that lies on the surface of an unknotted torus in R3. Similarly, a torus link is a link which lies on the surface
Torus_knot
Smallest number of edges of an equivalent polygonal path for a knot
mathematical theory of knots, the stick number is a knot invariant that intuitively gives the smallest number of straight "sticks" stuck end to end needed
Stick_number
One of three types of isotopy-preserving local changes to a knot diagram
MR 2170571 Hass, Joel; Lagarias, Jeffrey C. (2001), "The number of Reidemeister moves needed for unknotting", Journal of the American Mathematical Society, 14
Reidemeister_move
Mathematical knot with crossing number 6
knot theory, the stevedore knot is one of three prime knots with crossing number six, the others being the 62 knot and the 63 knot. The stevedore knot is
Stevedore_knot_(mathematics)
Mathematical knot with crossing number 5
Solomon's seal knot or the pentafoil knot, is one of two knots with crossing number five, the other being the three-twist knot. It is listed as the 51 knot
Cinquefoil_knot
Mathematical knot with crossing number 7
the five-twist knot, or the 72, is one of seven prime knots with crossing number seven. It is the fifth twist knot. Its Alexander polynomial is Δ ( t ) =
7_2_knot
Analog of the knot group
move through regular homotopy (homotopy through immersions), knotting or unknotting itself, but is not allowed to move through other components. This is a
Link_group
Mathematical knot with crossing number 5
in the Alexander-Briggs notation, and is one of two knots with crossing number five, the other being the cinquefoil knot. The 52 knot can be represented
Three-twist_knot
been removed. Tait conjectured that in certain circumstances, crossing number was a knot invariant, specifically: Any reduced diagram of an alternating
Tait_conjectures
Simplest non-trivial closed knot with three crossings
trefoil is the first nontrivial knot, and is the only knot with crossing number three. It is a prime knot, and is listed as 31 in the Alexander-Briggs notation
Trefoil_knot
Prime knot with crossing number 10
they are the same. The Perko pair 10161 10162 (in Rolfsen's original numbering) The Perko pair was correctly illustrated and explained on the first page
Perko_pair
Class of enzymes
(Fig. 3). The range of reactions includes: DNA supercoil relaxation, unknotting of single-stranded circles, and decatenation, provided at least one partner
Topoisomerase
Group whose operation is a composition of braids
possibly intertwined union of possibly knotted loops in three dimensions. The number of components of the link can be anything from 1 to n, depending on the
Braid_group
Embedding of the circle in three dimensional Euclidean space
an embedding of the graph with the property that any single cycle is unknotted. The graphs that have linkless embeddings have a forbidden graph characterization
Knot_(mathematics)
Study of mathematical knots
is (Hass 1998). The special case of recognizing the unknot, called the unknotting problem, is of particular interest (Hoste 2005). In February 2021 Marc
Knot_theory
mathematics, the tunnel number of a knot, as first defined by Bradd Clark, is a knot invariant, given by the minimal number of arcs (called tunnels)
Tunnel_number
Type of planar curve with tree-like structure
sums of figure-eight curves. Each figure-eight is unknotted and their connected sum remains unknotted. Random curves with few crossings are likely to be
Tree-like_curve
Invariant of a knot diagram
an oriented link diagram. The writhe is the total number of positive crossings minus the total number of negative crossings. A direction is assigned to
Writhe
Computational complexity class
vertices, announced in 2015 and updated in 2017 by László Babai. The unknotting problem, recognizing whether a knot diagram describes the unknot, announced
Quasi-polynomial_time
2011 novella by Denis Johnson
and breaking her back on rocks down by the river. Before drowning, she unknotted her bodice to allow Kate to crawl away and escape. Thereafter, Grainier
Train_Dreams
Historic temples in Madhya Pradesh, India
washing their hair, playing games, dancing, and endlessly knotting and unknotting their girdles. ... Beside the heavenly nymphs are serried ranks of griffins
Khajuraho_Group_of_Monuments
alternating if it has an alternating diagram. Many of the knots with crossing number less than 10 are alternating. This fact and useful properties of alternating
Alternating_knot
Mathematical knot with crossing number 7
Crosscap no. 3 Crossing no. 7 Genus 1 Hyperbolic volume 5.13794 Stick no. 9 Unknotting no. 2 Conway notation [313] A–B notation 74 Dowker notation 6, 10, 12
74_knot
Type of knot in knot theory
Bridge number 2 In the mathematical field of knot theory, a 2-bridge knot is a knot which can be regular isotoped so that the natural height function given
2-bridge_knot
Mathematical knot with crossing number 6
In knot theory, the 62 knot is one of three prime knots with crossing number six, the others being the stevedore knot and the 63 knot. This knot is sometimes
62_knot
Open 3-manifold that is contractible but not homeomorphic to R3
{\displaystyle S^{3},} the three-dimensional sphere. Now find a compact unknotted solid torus T 1 {\displaystyle T_{1}} inside the sphere. (A solid torus
Whitehead_manifold
Austrian neurologist and founder of psychoanalysis (1856–1939)
they were all harboring memories of early abuse ... and cured them by unknotting their repression." Crews sees Freud as having anticipated the recovered
Sigmund_Freud
American mathematician
Pippenger, he proved that the unknotting problem is in NP. With Lagarias, he gave an exponential upper bound on the number of Reidemeister moves needed
Joel_Hass
Invariant of framed knots
In knot theory, the self-linking number is an invariant of framed knots. It is related to the linking number of curves. A framing of a knot is a choice
Self-linking_number
In the mathematical field of knot theory, the crosscap number of a knot K is the minimum of C ( K ) ≡ 1 − χ ( S ) , {\displaystyle C(K)\equiv 1-\chi (S)
Crosscap_number
Set of scientific techniques
generation (F1-ATPase), DNA replication and transcription (polymerases), DNA unknotting and unwinding (topoisomerases and helicases). As a single-molecule technique
Force_spectroscopy
Attempt to classify and tabulate all possible knots
a matter of days. Knot theory Knot (mathematics) List of prime knots Unknotting problem Hoste, Jim; Thistlethwaite, Morwen; Weeks, Jeff (1998), "The first
Knot_tabulation
Visual representations of the nude human form
washing their hair, playing games, dancing, and endlessly knotting and unknotting their girdles....Beside the heavenly nymphs are serried ranks of griffins
Depictions_of_nudity
Two interlinked loops with five structural crossings
towards the linking number. Because the remaining crossings have equal numbers of under and over crossings on each loop, its linking number is 0. It is not
Whitehead_link
invariants. In the 1980s John Horton Conway discovered a procedure for unknotting knots gradually known as Conway notation. In 1992, the Journal of Knot
History_of_knot_theory
Non-orientable surface with one edge
of the Möbius strip, it has a different shape from a circle, but it is unknotted, and therefore the whole strip can be stretched without crossing itself
Möbius_strip
2016 studio album by Radiohead
of car crash of the soul, is palpable. The music here feels loose and unknotted, broken open in the way you can only be after a tragedy." Pitchfork later
A_Moon_Shaped_Pool
Function of a knot that takes the same value for equivalent knots
the crossing number, which is the minimum number of crossings for any diagram of the knot, and the bridge number, which is the minimum number of bridges
Knot_invariant
Complex of DNA and protein in eukaryotic cells
Goundaroulis D, Stasiak A (2018). "Chromatin Loop Extrusion and Chromatin Unknotting". Polymers. 10 (10): 1126–1137. doi:10.3390/polym10101126. PMC 6403842
Chromatin
now known almost all knots are non-invertible. All knots with crossing number of 7 or less are known to be invertible. No general method is known that
Invertible_knot
Mathematical knot with crossing number 6
In knot theory, the 63 knot is one of three prime knots with crossing number six, the others being the stevedore knot and the 62 knot. It is alternating
63_knot
Knot that is not equivalent to its mirror image
crossings and conjectured that all amphichiral knots had even crossing number. Mary Gertrude Haseman found all 12-crossing and many 14-crossing amphichiral
Chiral_knot
and earned his Ph.D. in 1997, with a dissertation on Dehn Surgery and Unknotting Operations supervised by W. B. R. Lickorish. After positions as Miller
Marc_Lackenby
Knot that bounds an embedded disk in 4-space
Up to this crossing number there are no topologically slice knots which are not smoothly slice. Starting with crossing number 11 there is such an example
Slice_knot
Link that consists of finitely many unlinked unknots
Whitehead link and Borromean rings are such examples for n = 2, 3. Linking number Kanenobu, Taizo (1986), "Hyperbolic links with Brunnian properties", Journal
Unlink
Mathematical invariant of a knot or link
writhe of a diagram is the number of positive crossings ( L + {\displaystyle L_{+}} in the figure below) minus the number of negative crossings ( L −
Jones_polynomial
Libyan political figure (1972–2026)
May 2025. Retrieved 11 August 2021. Thomas, Landon (28 February 2010). "Unknotting Father's Reins in Hope of "Reinventing" Libya". The New York Times. Archived
Saif_al-Islam_Gaddafi
Large soft mat for lying on to sleep
effect of the unit is designed to conform to body shape. LFK coils are an unknotted offset coil with a cylindrical or columnar shape. Continuous coils (the
Mattress
Particular knot energy
problem really is. The special case of recognizing the unknot, called the unknotting problem, is of particular interest. We shall picture a knot by a smooth
Möbius_energy
Simple mechanical puzzles using topology
puzzle by the Jakun indigenous tribe in Malaysia Human knot Tangloids Unknotting problem Unlink Horak, Matthew (2006). "Disentangling Topological Puzzles
Disentanglement_puzzle
Multiverse used by DC Comics
is recreated by the Hands as an Omniverse. The timeline of the DCU is "unknotted", meaning that every version of history throughout the existence of the
Multiverse_(DC_Comics)
q)-torus knot - a special kind of knot that lies on the surface of an unknotted torus in R3 Square knot (mathematics) - a composite knot obtained by taking
List of mathematical knots and links
List_of_mathematical_knots_and_links
Kind of operation in knot theory
called a mutant of K. Mutants can be difficult to distinguish as they have a number of the same invariants. They have the same hyperbolic volume (by a result
Mutation_(knot_theory)
Non-trivial knot which cannot be written as the knot sum of two non-trivial knots
simplest non-torus knot. For any positive integer n, there are a finite number of prime knots with n crossings. The first few values for exclusively prime
Prime_knot
Knot invariant named after Cahit Arf
the homology group H1(F, Z/2Z) has a quadratic form whose value is the number of full twists mod 2 in a neighborhood of an embedded circle representing
Arf_invariant_of_a_knot
Link formed from a finite number of twisted sections
knots, a pretzel link is a special kind of link. It consists of a finite number of tangles made of two intertwined circular helices. The tangles are connected
Pretzel_link
Notation used to describe knots based on operations on tangles
crossings are denoted by the number of crossings, or if there are only negative crossings it is denoted by a negative number. If the arcs are not crossed
Conway_notation_(knot_theory)
Simplest nontrivial knot link
Depending on the relative orientations of the two components the linking number of the Hopf link is ±1. The Hopf link is a (2,2)-torus link with the braid
Hopf_link
Aspect of Eulerian fluid dynamics
other three are energy, momentum and angular momentum. For two linked unknotted vortex tubes having circulations κ 1 {\displaystyle \kappa _{1}} and κ
Hydrodynamical_helicity
Invariant of mathematical knots
n_{-}} denotes the number of left-handed crossings in the chosen diagram for D {\displaystyle D} , and n + {\displaystyle n_{+}} the number of right-handed
Khovanov_homology
Mathematical notation for describing the structure of knots
labelled twice), with the following modification: if the label is an even number and the strand followed crosses over at the crossing, then change the sign
Dowker–Thistlethwaite notation
Dowker–Thistlethwaite_notation
Property in knot theory
always tricolorable. A way to strengthen the invariant is to count the number of possible 3-colorings. In this case, the rule that at least two colors
Tricolorability
Orientable surface whose boundary is a knot or link
{\displaystyle V=(v(i,j))} has v ( i , j ) {\displaystyle v(i,j)} the linking number in Euclidean 3-space (or in the 3-sphere) of ai and the "pushoff" of aj
Seifert_surface
Collection of knots that do not intersect, but may be linked
constitute the simplest such link. The notion of a link can be generalized in a number of ways. Frequently the word link is used to describe any submanifold of
Link_(knot_theory)
DC Comics superhero
Amazon – was re-established as her true origin after the timeline was "unknotted" by Wonder Woman. Titans Annual (2025) retells Donna's memories, which
Donna_Troy
Proteins with backbone entangled in a knot
ability of the protein to resist unknotting. A deep knot is preserved even though the removal of a considerable number of residues from either end does
Knotted_protein
polynomial. Alexander–Briggs notation organizes knots by their crossing number. Alexander polynomials and Conway polynomials can not recognize the difference
Knot_polynomial
Interlinked multi-loop construction where cutting one loop frees all the others
However for every number three or above, there are an infinite number of links with the Brunnian property containing that number of loops. Here are some
Brunnian_link
Mathematical space
coefficients. Furthermore, each component of the link can be assumed to be unknotted. Friedhelm Waldhausen's theorems on topological rigidity say that certain
3-manifold
Connected sum of two trefoil knots with opposite chirality
its own mirror image. The crossing number of a square knot is six, which is the smallest possible crossing number for a composite knot. The Alexander
Square_knot_(mathematics)
Connected sum of two trefoil knots with same chirality
result is a square knot. The crossing number of a granny knot is six, which is the smallest possible crossing number for a composite knot. Unlike the square
Granny_knot_(mathematics)
Episode of Jonathan Creek
fantasy in a way that defies belief and interest. It is a dull confusion of unknotted loose ends that breaks its own rules, suspends common sense and dumps
The Grinning Man (Jonathan Creek)
The_Grinning_Man_(Jonathan_Creek)
a knot move or operation is a change or changes which preserve crossing number. Operations are used to investigate whether knots are equivalent, prime
Knot_operation
between its relaxed and supercoiled, linked and unlinked, and knotted and unknotted forms without changing the sequence or overall chemical composition, such
Glossary of cellular and molecular biology (M–Z)
Glossary_of_cellular_and_molecular_biology_(M–Z)
Normalized hyperbolic volume of the complement of a hyperbolic knot
its complete hyperbolic metric. The volume is necessarily a finite real number, and is a topological invariant of the link. As a link invariant, it was
Hyperbolic_volume
Molecule whose structure resembles a knot
contains knotted subchains even though their backbone chain as a whole is unknotted and does not contain completely knotted structures that are easily detectable
Molecular_knot
Embedding a graph in 3D space with no cycles interlinked
is equivalent in complexity to unknotting problem, the problem of testing whether a single curve in space is unknotted. Testing unknottedness (and therefore
Linkless_embedding
Type of mathematical knot
ribbon? Lisca (2007) showed that the conjecture is true for knots of bridge number two. Greene & Jabuka (2011) showed it to be true for three-stranded pretzel
Ribbon_knot
Mathematical knot
2 q + 1 ) + q t − 1 {\displaystyle qt-(2q+1)+qt^{-1}} , where q is the number of half-twists. In particular the stevedore knot is not fibered. Fibered
Fibered_knot
UNKNOTTING NUMBER
UNKNOTTING NUMBER
Male
Hungarian
Czech and Hungarian form of Latin Ignatius, possibly IGNÃC means "unknowing."
Male
Slovene
Short form of Slovene Ignacij, possibly IGNAC means "unknowing."
Male
Polish
Polish form of Latin Ignatius, possibly IGNACY means "unknowing."
Male
Spanish
Pet form of Spanish Ignacio, possibly NACIO means "unknowing."
Surname or Lastname
English
English : nickname for a virile man, from Middle English male ‘masculine’ (Old French masle, madle, Latin masculus).Belgian (van Male) : habitational name from any of a number of places in Flanders named Male.
Male
Spanish
Pet form of Spanish Ignacio, possibly NACHO means "unknowing."
Male
Portuguese
Portuguese form of Latin Ignatius, possibly INÃCIO means "unknowing."
Surname or Lastname
English
English : habitational name from a place in Cumbria (Westmorland). The place name is recorded in Domesday Book as Lupetun, and probably derives from an Old English personal name Hluppa (of uncertain origin) + Old English tūn ‘enclosure’, ‘settlement’.The name was brought to America by John Lupton, who sailed from Gravesend, England, on the Primrose in 1635, and is recorded in VA three years later. On 24 October 1635 Davie Lupton set off on the Constance bound for VA, but there is no record of his arrival in the New World. A Christopher Lupton is recorded in Suffolk Co., Long Island, NY, c.1635, and a large number of Luptons in NC descend from him. An American family of the name settled in the area of Winchester, VA, in the mid18th century; they can be traced back to Martin Lupton, who was married in 1630 in the parish of Rothwell, Yorkshire, England.
Surname or Lastname
English
English : variant of Marsh.French : habitational name from places so named in Ardèche, Ardennes, Gard, Loire, Nièvre, and Meurthe-et-Moselle, from the Latin personal name Marcius, used adjectivally.French : from the personal name Meard, Mard, Mart, vernacular forms of the saint’s name Médard. Morlet notes that there are a number of places called Saint-Mars, formerly recorded in Latin as Sanctus Medardus.French : from the name of the month, mars ‘ March’, denoting seed sown in March, and hence a metonymic name for an arable grower.French (De Mars) : habitational name from Mars in the Ardennes.Dutch : from a short form of the personal name Marsilius.
Male
Italian
Italian form of Latin Ignatius, possibly IGNAZIO means "unknowing."
Surname or Lastname
English and Dutch
English and Dutch : from Latin Marcus, the personal name of St. Mark the Evangelist, author of the second Gospel. The name was borne also by a number of other early Christian saints. Marcus was an old Roman name, of uncertain (possibly non-Italic) etymology; it may have some connection with the name of the war god Mars. Compare Martin. The personal name was not as popular in England in the Middle Ages as it was on the Continent, especially in Italy, where the evangelist became the patron of Venice and the Venetian Republic, and was allegedly buried at Aquileia. As an American family name, this has absorbed cognate and similar names from other European languages, including Greek Markos and Slavic Marek.English, German, and Dutch (van der Mark) : topographic name for someone who lived on a boundary between two districts, from Middle English merke, Middle High German marc, Middle Dutch marke, merke, all meaning ‘borderland’. The German term also denotes an area of fenced-off land (see Marker 5) and, like the English word, is embodied in various place names which have given rise to habitational names.English (of Norman origin) : habitational name from Marck, Pas-de-Calais.German : from Marko, a short form of any of the Germanic compound personal names formed with mark ‘borderland’ as the first element, for example Markwardt.Americanization or shortened form of any of several like-sounding Jewish or Slavic surnames (see for example Markow, Markowitz, Markovich).Irish (northeastern Ulster) : probably a short form of Markey (when not of English origin).
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : habitational name from a lost place, of uncertain location, named in Anglo-Norman French as mesnil Warin ‘domain of Warin’ (see Waring). The surname has had a large number of variant spellings; it is normally pronounced ‘Mannering’.
Surname or Lastname
English, Welsh, German, etc.
English, Welsh, German, etc. : ultimately from the Hebrew personal name yÅÌ£hÄnÄn ‘Jehovah has favored (me with a son)’ or ‘may Jehovah favor (this child)’. This personal name was adopted into Latin (via Greek) as Johannes, and has enjoyed enormous popularity in Europe throughout the Christian era, being given in honor of St. John the Baptist, precursor of Christ, and of St. John the Evangelist, author of the fourth gospel, as well as others of the nearly one thousand other Christian saints of the name. Some of the principal forms of the personal name in other European languages are Welsh Ieuan, Evan, Siôn, and Ioan; Scottish Ia(i)n; Irish Séan; German Johann, Johannes, Hans; Dutch Jan; French Jean; Italian Giovanni, Gianni, Ianni; Spanish Juan; Portuguese João; Greek IÅannÄ“s (vernacular Yannis); Czech Jan; Russian Ivan. Polish has surnames both from the western Slavic form Jan and from the eastern Slavic form Iwan. There were a number of different forms of the name in Middle English, including Jan(e), a male name (see Jane); Jen (see Jenkin); Jon(e) (see Jones); and Han(n) (see Hann). There were also various Middle English feminine versions of this name (e.g. Joan, Jehan), and some of these were indistinguishable from masculine forms. The distinction on grounds of gender between John and Joan was not firmly established in English until the 17th century. It was even later that Jean and Jane were specialized as specifically feminine names in English; bearers of these surnames and their derivatives are more likely to derive them from a male ancestor than a female. As a surname in the British Isles, John is particularly frequent in Wales, where it is a late formation representing Welsh Siôn rather than the older form Ieuan (which gave rise to the surname Evan). As an American family name this form has absorbed various cognates from continental European languages. (For forms, see Hanks and Hodges 1988.)
Surname or Lastname
Americanized form of the Latin personal name Januarius or its Italian derivative Gennaro, which was borne by a number of early Christian saints, most famously a 3rd-century bishop of Benevento who became the patron of Naples.English
Americanized form of the Latin personal name Januarius or its Italian derivative Gennaro, which was borne by a number of early Christian saints, most famously a 3rd-century bishop of Benevento who became the patron of Naples.English : altered form of Janeway.In New England, a translation of French Janvier.
Male
German
German form of Latin Ignatius, possibly IGNATZ means "unknowing." It is interesting to note that the word Nazi originated as a short form of Ignatz and was used colloquially as a byname for a foolish or awkward person.
Surname or Lastname
French (western)
French (western) : from a pet form of Martin 1.English : habitational name from Martineau in France. The name was also taken to England by Huguenot refugees in the 17th century (see below).Harriet Martineau (1802–76), the English writer, was the daughter of a Norwich manufacturer. She was descended from a family of French Huguenots who owned land around Poitou and Touraine in the 15th century. They included a number of surgeons in the 17th century. In the 19th century a branch of the family was firmly established in Birmingham, England; others went to North America.
Male
Slovene
Slovene form of Latin Ignatius, possibly IGNACIJ means "unknowing."
Male
Spanish
Spanish form of Latin Ignatius, possibly IGNACIO means "unknowing."
Surname or Lastname
English (common in Devon and Cornwall), Spanish (Julián), and German
English (common in Devon and Cornwall), Spanish (Julián), and German : from a personal name, Latin Iulianus, a derivative of Iulius (see Julius), which was borne by a number of early saints. In Middle English the name was borne in the same form by women, whence the modern girl’s name Gillian.
Male
French
French form of Latin Ignatius, possibly IGNACE means "unknowing."
UNKNOTTING NUMBER
UNKNOTTING NUMBER
UNKNOTTING NUMBER
UNKNOTTING NUMBER
UNKNOTTING NUMBER
UNKNOTTING NUMBER
UNKNOTTING NUMBER
n.
Expression of judgment or will by a majority; legal decision by some expression of the minds of a number; as, the vote was unanimous; a vote of confidence.
n.
To give or apply a number or numbers to; to assign the place of in a series by order of number; to designate the place of by a number or numeral; as, to number the houses in a street, or the apartments in a building.
n.
A line consisting of a certain number of metrical feet (see Foot, n., 9) disposed according to metrical rules.
p. pr & vb. n.
of Number
n.
Rate of motion; the relation of motion to time, measured by the number of units of space passed over by a moving body or point in a unit of time, usually the number of feet passed over in a second. See the Note under Speed.
n.
To amount; to equal in number; to contain; to consist of; as, the army numbers fifty thousand.
n.
A short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so graduated that a certain convenient number of its divisions are just equal to a certain number, either one less or one more, of the divisions of the instrument, so that parts of a division are determined by observing what line on the vernier coincides with a line on the instrument.
n.
A flight of missiles, as arrows, bullets, or the like; the simultaneous discharge of a number of small arms.
a.
Unknowing; also, unknown; unmeaning.
n.
A numeral; a word or character denoting a number; as, to put a number on a door.
p. pr. & vb. n.
of Knot
n.
pl. of Number. The fourth book of the Pentateuch, containing the census of the Hebrews.
n.
That which is regulated by count; poetic measure, as divisions of time or number of syllables; hence, poetry, verse; -- chiefly used in the plural.
n.
The distinction of objects, as one, or more than one (in some languages, as one, or two, or more than two), expressed (usually) by a difference in the form of a word; thus, the singular number and the plural number are the names of the forms of a word indicating the objects denoted or referred to by the word as one, or as more than one.
superl.
Very great in numbers, quantity, or amount; as, a vast army; a vast sum of money.
imp. & p. p.
of Number
n.
One who numbers.
n.
Something varying or differing from others of the same general kind; one of a number of things that are akin; a sort; as, varieties of wood, land, rocks, etc.