Racemization

noun

1. Conversion of an optically active substance to a racemic form.
2. The process of rendering racemic; the transformation of a single optically active (dextro- or levorotatory) compound into the racemic form. It involves the change of one half of the molecules of the substance into the isomeric form with opposite optical rotation.
3. The formation of a racemate from a pure enantiomer.