What is the meaning of RADICAL. Phrases containing RADICAL
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a.
Of or pertaining to a radix or root; as, a radical quantity; a radical sign. See below.
n.
Specifically, a group of two or more atoms, not completely saturated, which are so linked that their union implies certain properties, and are conveniently regarded as playing the part of a single atom; a residue; -- called also a compound radical. Cf. Residue.
a.
Proceeding from a rootlike stem, or one which does not rise above the ground; as, the radical leaves of the dandelion and the sidesaddle flower.
n.
A radical quantity. See under Radical, a.
n.
The radical UO2, conveniently regarded as a residue of many uranium compounds.
n.
The degree of combining power of an atom (or radical) as shown by the number of atoms of hydrogen (or of other monads, as chlorine, sodium, etc.) with which it will combine, or for which it can be substituted, or with which it can be compared; thus, an atom of hydrogen is a monad, and has a valence of one; the atoms of oxygen, nitrogen, and carbon are respectively dyads, triads, and tetrads, and have a valence respectively of two, three, and four.
n.
Radicalness; relation to a root in essential nature or principle.
n.
The quality or state of being radical; specifically, the doctrines or principles of radicals in politics or social reform.
a.
Having a valence of one; capable of combining with, or of being substituted for, one atom of hydrogen; monovalent; -- said of certain atoms and radicals.
adv.
In a radical manner; at, or from, the origin or root; fundamentally; as, a scheme or system radically wrong or defective.
a.
Belonging to, or proceeding from, the root of a plant; as, radical tubers or hairs.
a.
A radical vessel. See under Radical, a.
a.
Hence: Of or pertaining to the root or origin; reaching to the center, to the foundation, to the ultimate sources, to the principles, or the like; original; fundamental; thorough-going; unsparing; extreme; as, radical evils; radical reform; a radical party.
n.
One who advocates radical changes in government or social institutions, especially such changes as are intended to level class inequalities; -- opposed to conservative.
n.
The hypothetical radical characteristic of vanillic alcohol.
n.
The hypothetical radical C2H3, regarded as the characteristic residue of ethylene and that related series of unsaturated hydrocarbons with which the allyl compounds are homologous.
n.
Quality or state of being radical.
n.
The hypothetical radical C5H9O, regarded as the essential nucleus of certain valeric acid derivatives.
a.
Relating, or belonging, to the root, or ultimate source of derivation; as, a radical verbal form.
n.
The hypothetical radical VO, regarded as a characterized residue of certain vanadium compounds.
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