Ra"dix (?), n.; pl. Radices (#), E. Radixes (#). [L. radix, -icis, root. See Radish.] 1. Philol. A primitive, from which spring other words; a radical; a root; an etymon.
2. Math. (a) 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. (b) Alg. A finite expression, from which a series is derived. [R.]
Hutton.
3. Bot. The root of a plant.
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