Radical, Radish

etc. See under Radix. lan- Radius, r i'dT-us, n.; pi. -dii, -dT-T. (Geom.) A right line, extending from n the center of a: n — — *— ^ Pert, y circle to the peripher bone on the exterior >r or thumb side / \ kind; ry. (Anat.) The /^ ^\;e Skeleton. | ' proof — Ra'dius-vec'tor, the fo-e-f n. (Math.) A act or straight line connecting any point to (of a curve) with a fxed point* ov pole, chan round which it turns, and to which it _,,. from serves to refer the succe ive points of xtacius. acurve, in a system of polar coordinates. — Ray, ra, n.; 2nd, eve, term; In, Ice; odd, tone, 0r;. One of a number of lines or parts diverging from common point or center, like the radii of a circle. (Bot.) A radiating part of a flower or plant. (Ichth.) One of the radiating bony spines forming the framework of the fins of fishes. (Physics.) A line of or heat proceeding from a radiant or reflecting point; one of the colored portions of the spectrum. A gleam of intellectual light; perception; apprehension. v. t. [rayed (rad), haying.] To send forth or shoot out, cause to shine out, glimmer, beam, gleam, light. — Rayle , a. Destitute of light; not illuminated; dark. — Ra'diate, -dT-at, n. (Zo'61.) An animal which all the parts are arranged uniformly around the central axis of the body. — v. i. To i ue proceed in direct lines from a point of surface, heat or light; to i ue in rays, as light; to rays, be radiant. — v. t. To emit or send out in rect lines from a point or surface. — a. Formed rays diverging from a center; having the parts of a structure arranged radiately about a center. — R a d i a 'tion, n. Act of radiating, or j, state of being ra- O dialed; emi ion and diffusion T of rays of light; Radiata. o, coral; a, starfish, divergence of anything from a point or surface, diverging rays of light.— Ra'dia'tor, -ter, n. which radiates or emits rays; esp. that part heating apparatus designed to radiate heat. — dial, -dl-al, a. Pert, to a radius, or to the radius, of the bones of the fore-arm. — Ra'diant, a. diating; radiate; resembling or in the form of rays emitting or darting rays of light or heat; emitting a vivid light or splendor. — Ra'diance, -ancy, sl, h. Quality of being radiant; vivid brightne luster; glare; glitter. 343