methionine

名词 n.
中文释义
英 /mɪˈθʌɪəniːn/|/mɪˈθʌɪənɪn/    美 /mɛˈθaɪəˌniːn/|/-ˌnaɪn/

英文释义

名词 n.
  1. A sulphur-containing amino acid, C₅H₁₁NO₂S, in L- and D-forms. countable,uncountable
  2. 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.

词形变化

methionines plural

词汇关系

衍生词
acetylmethionine dehydromethionine formyl methionine homomethionine methioninemia methioninol methioninyl methionyl selenomethionine

词源

Etymology tree
Proto-Indo-European *médʰu
Proto-Hellenic *métʰu
Ancient Greek μέθυ (méthu)
Proto-Indo-European *swel-der.?
Ancient Greek ῡ̔́λη (hū́lē)der.
German -yl
German Methylbor.
English methyl
Proto-Indo-European *dʰewh₂-der.?
Ancient Greek θέειον (théeion)
Ancient Greek θεῖον (theîon)der.
English thio-
English -n-
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ine
English methionine
From methyl + thio- + -n- + -ine.
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