What is the meaning of RADIUS. Phrases containing RADIUS
See meanings and uses of RADIUS!RADIUS
RADIUS
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RADIUS
RADIUS
A straight line (or the length of such line) connecting any point, as of a curve, with a fixed point, or pole, round which the straight line turns, and to which it serves to refer the successive points of a curve, in a system of polar coordinates. See Coordinate, n.
RADIUS
n.
The movable limb of a sextant or other angular instrument.
pl.
of Radius
n.
A radiating part of a flower or plant; the marginal florets of a compound flower, as an aster or a sunflower; one of the pedicels of an umbel or other circular flower cluster; radius. See Radius.
n.
The preaxial bone of the forearm, or brachium, corresponding to the tibia of the hind limb. See Illust. of Artiodactyla.
n.
The postaxial bone of the forearm, or branchium, corresponding to the fibula of the hind limb. See Radius.
n.
The barbs of a perfect feather.
n.
Radiating organs, or color-markings, of the radiates.
n.
The radius or ray of a wheel; one of the small bars which are inserted in the hub, or nave, and which serve to support the rim or felly.
n.
A curve, traced by a point in the radius, or radius produced, of a circle which rolls upon the concave side of a fixed circle. See Hypocycloid, Epicycloid, and Trochoid.
n.
An ideal straight line joining the center of an attracting body with that of a body describing an orbit around it, as a line joining the sun and a planet or comet, or a planet and its satellite.
n.
The extreme movement given to a sliding or vibrating reciprocating piece by a cam, crank, eccentric, or the like; travel; stroke; as, the throw of a slide valve. Also, frequently, the length of the radius of a crank, or the eccentricity of an eccentric; as, the throw of the crank of a steam engine is equal to half the stroke of the piston.
a.
A right line drawn from the center of a circle through one end of a circular arc, and terminated by a tangent drawn from the other end; the number expressing the ratio line of this line to the radius of the circle. See Trigonometrical function, under Function.
n.
Half of a diameter; a right line, or the length of a right line, drawn from the center of a circle, a sphere, or other curved figure, to its circumference or periphery; a radius.
pl.
of Radius
n.
Same as Radius vector.
n.
Any definite quantity, or aggregate of quantities or magnitudes taken as one, or for which 1 is made to stand in calculation; thus, in a table of natural sines, the radius of the circle is regarded as unity.
v. t.
A tangent line curve, or surface; specifically, that portion of the straight line tangent to a curve that is between the point of tangency and a given line, the given line being, for example, the axis of abscissas, or a radius of a circle produced. See Trigonometrical function, under Function.
n.
A ray, or outer floret, of the capitulum of such plants as the sunflower and the daisy. See Ray, 2.
n.
A right line drawn or extending from the center of a circle to the periphery; the semidiameter of a circle or sphere.
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