methionine

[me-thahy-uh-neen, -nin]

me·thi·o·nine

[me-thahy-uh-neen, -nin]
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:
1925–30; blend of methyl and thionine
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Methionine is always a great word to know.
So is homoserine. Does it mean:
formed in the conversion of methionine to cysteine
crystalline basic amino acid produced chiefly from many proteins by hydrolysis
Collins
World English Dictionary
methionine (mɛˈθaɪəˌniːn, -ˌnaɪn)
 
n
an essential amino acid containing sulphur, which occurs in many proteins: important in methylating reactions
 
[C20: meth- + thionine]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

methionine me·thi·o·nine (mə-thī'ə-nēn')
n.
Abbr. Met
A sulfur-containing essential amino acid obtained from various proteins or prepared synthetically and used as a dietary supplement and in pharmaceuticals.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
methionine   (mə-thī'ə-nēn')  Pronunciation Key 
An essential amino acid. Chemical formula: C5H11NO2S. See more at amino acid.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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