Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cysteine

1 sense of cysteine

Sense 1
cysteine -- (an amino acid containing sulfur that is found in most proteins; oxidizes on exposure to air to form cystine)
       => amino acid, aminoalkanoic acid -- (organic compounds containing an amino group and a carboxylic acid group; "proteins are composed of various proportions of about 20 common amino acids")