Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
tryptophan | Yes | No | No | No |
indole | Yes | No | No | No |
tryptophan (noun) | indole (noun) |
---|---|
an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin | a white or yellowish crystalline heterocyclic compound extracted from coal tar and used in perfumery, medicine, and as a flavouring agent. |