Definition of Radius
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(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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(n.) The preaxial bone of the forearm, or brachium, corresponding to the tibia of the hind limb. See Illust. of Artiodactyla.
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(n.) A ray, or outer floret, of the capitulum of such plants as the sunflower and the daisy. See Ray, 2.
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(n.) The barbs of a perfect feather.
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(n.) Radiating organs, or color-markings, of the radiates.
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(n.) The movable limb of a sextant or other angular instrument.
Antonyms of Radius
No Antonyms Found.
Homophones of Radius
No Homophones Found.