Methionine

//mɛˈθaɪəˌniːn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A sulphur-containing amino acid, C₅H₁₁NO₂S, in L- and D-forms. countable, uncountable
  2. 2
    a crystalline amino acid containing sulfur; found in most proteins and essential for nutrition wordnet
  3. 3
    A sulphur-containing amino acid, C₅H₁₁NO₂S, in L- and D-forms.; The L-form thereof, a lipotropic molecule widely occurring in living organisms and found in most protein; in humans it is an essential amino acid. countable, uncountable

    "The purpose was to make soya beans more healthy for those for whom they are a staple food by correcting soya beans' natural deficiency in a chemical called methionine."

Synonyms

All synonyms
amino acidmet

Example

More examples

"The purpose was to make soya beans more healthy for those for whom they are a staple food by correcting soya beans' natural deficiency in a chemical called methionine."

Etymology

From methyl + thio- + -n- + -ine.

Related phrases

formyl methionineessential amino acid

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.