Definition of racemization in US English:

racemization

(also racemisation)

noun

Chemistry
  • Conversion of an optically active substance into a racemic (and so optically inactive) form.

Origin

Late 19th century. From racem- + -ization. Compare French racémisation.

Pronunciation

racemization

/ˌrasɪmʌɪˈzeɪʃn/