Associations to the word «Radius»


RADIUS, noun. (anatomy) The long bone in the forearm, on the side of the thumb.
RADIUS, noun. (zoology) The lighter bone (or fused portion of bone) in the forelimb of an animal.
RADIUS, noun. (entomology) One of the major veins of the insect wing, between the subcosta and the media
RADIUS, noun. (geometry) A line segment between any point on the circumference of a circle and its center/centre.
RADIUS, noun. (geometry) The length of this line segment.
RADIUS OF CURVATURE, noun. (mathematics) (for any point on a curve) The radius of the osculating circle at the point on the curve
RADIUS VECTOR, noun. (mathematics) 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.
RADIUS VECTOR, noun. (astronomy) 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.
RADIUS VECTORS, noun. Plural of radius vector

Dictionary definition

RADIUS, noun. The length of a line segment between the center and circumference of a circle or sphere.
RADIUS, noun. A straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere).
RADIUS, noun. A circular region whose area is indicated by the length of its radius; "they located it within a radius of 2 miles".
RADIUS, noun. The outer and slightly shorter of the two bones of the human forearm.
RADIUS, noun. Support consisting of a radial member of a wheel joining the hub to the rim.

Wise words

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