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methionine
[ me-thahy-uh-neen, -nin ]
noun
, Biochemistry.
- an amino acid, CH 3 SCH 2 CH 2 CH(NH 2 )COOH, found in casein, wool, and other proteins or prepared synthetically: used as a supplement to a special diet in the prevention and treatment of certain liver diseases. : Met; : M
methionine
/ mɛˈθaɪəˌniːn; -ˌnaɪn /
noun
- an essential amino acid containing sulphur, which occurs in many proteins: important in methylating reactions
methionine
/ mə-thī′ə-nēn′ /
- An essential amino acid. Chemical formula: C 5 H 11 NO 2 S.
- See more at amino acid
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Word History and Origins
Origin of methionine1
First recorded in 1925–30; blend of methyl and thionine ( def )
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Word History and Origins
Origin of methionine1
C20: meth- + thionine
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