Definition of amino acid in English:

amino acid

noun

Biochemistry
  • A simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group:

    [as modifier] ‘the amino-acid sequence of a protein’
    • ‘Protein molecules are large biological polymers of small molecules called amino acids, and each protein has a unique amino-acid sequence.’
    • ‘The simplest amino acid is glycine which contains a hydrogen atom as its side group.’
    • ‘Two known enzymes catabolize the essential amino acid tryptophan in mammals.’
    • ‘To tackle this problem a variety of approaches have been developed to predict the three-dimensional structure of a protein given its amino-acid sequence.’
    • ‘Homocysteine is produced from the amino acid methionine, which is found in normal dietary protein.’

Pronunciation:

amino acid

/əˌmiːnəʊ ˈasɪd/