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- English Word Radiophony Definition The art or practice of using the radiophone.
- English Word Radious Definition Consisting of rays, as light.
- English Word Radious Definition Radiating; radiant.
- English Word Radish Definition The pungent fleshy root of a well-known cruciferous plant (Raphanus sativus); also, the whole plant.
- English Word Radius Definition A right line drawn or extending from the center of a circle to the periphery; the semidiameter of a circle or sphere.
- English Word Radius Definition The preaxial bone of the forearm, or brachium, corresponding to the tibia of the hind limb. See Illust. of Artiodactyla.
- English Word Radius Definition A ray, or outer floret, of the capitulum of such plants as the sunflower and the daisy. See Ray, 2.
- English Word Radius Definition The barbs of a perfect feather.
- English Word Radius Definition Radiating organs, or color-markings, of the radiates.
- English Word Radius Definition The movable limb of a sextant or other angular instrument.
- English Word Radius vector Definition 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.
- English Word Radius vector Definition 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.
- English Word Radiuses Definition of Radius
- English Word Radix Definition A primitive word, from which spring other words; a radical; a root; an etymon.
- English Word Radix Definition A number or quantity which is arbitrarily made the fundamental number of any system; a base. Thus, 10 is the radix, or base, of the common system of logarithms, and also of the decimal system of numeration.
- English Word Radix Definition A finite expression, from which a series is derived.
- English Word Radix Definition The root of a plant.
- English Word Radixes Definition of Radix
- English Word Radula Definition The chitinous ribbon bearing the teeth of mollusks; -- called also lingual ribbon, and tongue. See Odontophore.
- English Word Radulae Definition of Radula