Definitions for racemicreɪˈsi mɪk, -ˈsɛm ɪk, rə-
Random House Webster's College Dictionary
ra•ce•micreɪˈsi mɪk, -ˈsɛm ɪk, rə-(adj.)
noting or pertaining to any of various organic compounds that are optically inactive but separable into dextrorotatory and levorotatory forms.
Origin of racemic:
containing equal amounts of dextrorotatory (D) and levorotatory (L) stereoisomers and therefore not being optically active; typically, will be synthetic rather than natural
Origin: From racémique, from racemus + -ique or from .
pertaining to, or designating, an acid found in many kinds of grapes. It is also obtained from tartaric acid, with which it is isomeric, and from sugar, gum, etc., by oxidation. It is a sour white crystalline substance, consisting of a combination of dextrorotatory and levorotatory tartaric acids