English Explanatory Dictionary

amino acid

English dictionary entry

Meanings

noun
  1. Any organic compound containing both an amino and a carboxylic acid functional group.
  2. Any of the twenty naturally occurring α-amino acids (having the amino, and carboxylic acid groups on the same carbon atom), and a variety of side chains, that combine, via peptide bonds, to form proteins.

Pronunciation

/əˈminoʊ ˈæsɪd/ LL-Q1860 (eng)-Vealhurl-amino acid.wav

Word forms

amino acid amino acids

Etymology

See amine and acid. Likely a calque of German Aminosäure, which is attested earlier.

Synonyms

amino acid

Related words

imino acid :Category:Amino acids

Derived words

alpha-amino acid aminoacidemia aminoacidopathy aminoaciduria beta-amino acid bisamino acid casamino acid deduced amino acid sequence essential amino acid glyco-amino-acid glycosyl-amino-acid hyperaminoacidemia hypoaminoacidemia lipoamino acid non-essential amino acid nonessential amino acid selenoamino acid β-amino acid
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