Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
histidine | Yes | No | No | No |
essential amino acid | Yes | No | No | No |
histidine (noun) | essential amino acid (noun) |
---|---|
an essential amino acid found in proteins that is important for the growth and repair of tissue | an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet |