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methionine

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WordReference Random House Unabridged Dictionary of American English © 2025

me•thi•o•nine n. [Biochem.]

Biochemistryan 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. Abbr.: Met;
Symbol: M

blend of, blended methyl and thionine 1925–30

'methionine' also found in these entries (note: many are not synonyms or translations):

M, m - cystathionine - homocysteine - met

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