Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun tryptophan
1 sense of tryptophan
Sense 1
tryptophan, tryptophane -- (an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin)
=> essential amino acid -- (an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet)