racemic /ra-sēˈmik or -semˈik/ adjective

1. Applied to an acid obtained from a certain kind of grape, an optically inactive form of tartaric acid
2. Hence applied to similar mixtures of dextrorotatory and laevorotatory enantiomorphs

racˈemism noun

The quality of being racemic

racemizāˈtion or racemisāˈtion noun

A change into a racemic form

racˈemize or racˈemise transitive verb and intransitive verb

racemose /rasˈi-mōs/ adjective

1. Of the nature of, or like, a raceme or racemes
2. Of, in or having racemes
3. Like a bunch of grapes