Index of English words, starting with "ra"

(1) - Radish (n.) The pungent fleshy root of a well-known cruciferous plant (Raphanus sativus); also, the whole plant.

(1) - Radius (n.) The movable limb of a sextant or other angular instrument.
(2) - Radius (n.) Radiating organs, or color-markings, of the radiates.
(3) - Radius (n.) The barbs of a perfect feather.
(4) - Radius (n.) A ray, or outer floret, of the capitulum of such plants as the sunflower and the daisy. See Ray, 2.
(5) - Radius (n.) The preaxial bone of the forearm, or brachium, corresponding to the tibia of the hind limb. See Illust. of Artiodactyla.
(6) - Radius (n.) A right line drawn or extending from the center of a circle to the periphery; the semidiameter of a circle or sphere.

(1) - Radix (n.) The root of a plant.
(2) - Radix (n.) A finite expression, from which a series is derived.
(3) - Radix (n.) 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.
(4) - Radix (n.) A primitive word, from which spring other words; a radical; a root; an etymon.