racemic acid: Meaning and Definition of

race'mic ac'id

Pronunciation: [key]
? Chem. Chem.
  1. an isomeric modification of tartaric acid that is sometimes found in the juice of grapes in conjunction with the common dextrorotatory form and is optically inactive but can be separated into the two usual isomeric forms, dextrorotatory and levorotatory.
Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease.