One of the nine naturally occurring amino acids that the human body cannot synthesize, and so must be provided by dietary protein.
Definition source: English Wiktionary via Wiktextract
Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: nonessential amino acid
an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: amino acid, aminoalkanoic acid
Narrower terms: arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, tryptophane, valine