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Found 2 items, similar to radius of curvature.

**English → English** (WordNet)
Definition: radius of curvature
radius of curvature
n : the radius of the circle of curvature; the absolute value of
the reciprocal of the curvature of a curve at a given
point

**English → English** (gcide)
Definition: Radius of curvature
Radius *\Ra"di*us\* (r[=a]"d[i^]*[u^]s), n.; pl. L. Radii
(r[=a]"d[i^]*[imac]); E. Radiuses
(r[=a]"d[i^]*[u^]s*[e^]z). [L., a staff, rod, spoke of a
wheel, radius, ray. See Ray a divergent line.]
1. (Geom.) 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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2. (Anat.) The preaxial bone of the forearm, or brachium,
corresponding to the tibia of the hind limb. See Illust.
of Artiodactyla.
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Note: The radius is on the same side of the limb as the
thumb, or pollex, and in man it is so articulated that
its lower end is capable of partial rotation about the
ulna.
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3. (Bot.) A ray, or outer floret, of the capitulum of such
plants as the sunflower and the daisy. See Ray, 2.
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4. pl. (Zo["o]l.)
(a) The barbs of a perfect feather.
(b) Radiating organs, or color-markings, of the radiates.
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5. The movable limb of a sextant or other angular instrument.
--Knight.
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Radius bar (Mach.), a bar pivoted at one end, about which
it swings, and having its other end attached to a piece
which it causes to move in a circular arc.
Radius of curvature. See under Curvature.
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Curvature *\Cur"va*ture\* (k?r"v?-t?r; 135), n. [L. curvatura. See
Curvate.]
1. The act of curving, or the state of being bent or curved;
a curving or bending, normal or abnormal, as of a line or
surface from a rectilinear direction; a bend; a curve.
--Cowper.
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The elegant curvature of their fronds. --Darwin.
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2. (Math.) The amount of degree of bending of a mathematical
curve, or the tendency at any point to depart from a
tangent drawn to the curve at that point.
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Aberrancy of curvature (Geom.), the deviation of a curve
from a circular form.
Absolute curvature. See under Absolute.
Angle of curvature (Geom.), one that expresses the amount
of curvature of a curve.
Chord of curvature. See under Chord.
Circle of curvature. See Osculating circle of a curve,
under Circle.
Curvature of the spine (Med.), an abnormal curving of the
spine, especially in a lateral direction.
Radius of curvature, the radius of the circle of curvature,
or osculatory circle, at any point of a curve.
[1913 Webster]

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