methionine
[ me-thahy-uh-neen, -nin ]
/ mɛˈθaɪ əˌnin, -nɪn /
noun Biochemistry.
an amino acid, CH3SCH2CH2CH(NH2)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. Abbreviation: Met; Symbol: M
Origin of methionine
1925–30; blend of
methyl and
thionine
Words nearby methionine
methenamine,
methicillin,
methimazole,
methinks,
methiocarb,
methionine,
metho,
methocarbamol,
method,
method in one's madness,
methodical
British Dictionary definitions for methionine
methionine
/ (mɛˈθaɪəˌniːn, -ˌnaɪn) /
noun
an essential amino acid containing sulphur, which occurs in many proteins: important in methylating reactions
Word Origin for methionine
C20:
meth- +
thionine
Medical definitions for methionine
methionine
[ mə-thī′ə-nēn′ ]
n.
A sulfur-containing essential amino acid obtained from various proteins or prepared synthetically and used as a dietary supplement and in pharmaceuticals.
Scientific definitions for methionine
methionine
[ mə-thī′ə-nēn′ ]
An essential amino acid. Chemical formula: C5H11NO2S. See more at amino acid.