/ray"diks/ , n. , pl. radices /rad"euh seez', ray"deuh-/ , radixes .
1. Math. a number taken as the base of a system of numbers, logarithms, or the like.
2. Anat. , Bot. a root; radicle.
[ 1565-75; radix root (cf. RACE 3 , RADICAL, RAMUS); akin to Gk rhíza root, rhádix branch, frond; see ROOT 1 ]