Definition of ethionine in English:

ethionine

noun

Chemistry
  • A toxic amino acid, not present in proteins, that is the ethyl homologue of methionine and acts as a growth inhibitor.

Origin

1930s. From eth- + -ionine.

Pronunciation

ethionine

/iːˈθʌɪəniːn/ /iːˈθʌɪənɪn/