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[gloo-tuh-meen, -min] /ˈglu təˌmin, -mɪn/
noun, Biochemistry.
a crystalline amino acid, HOOCCH(NH 2)CH 2 CH 2 CONH 2 , related to glutamic acid. Symbol: Q.
Abbreviation: Gln;
Origin of glutamine
First recorded in 1880-85; glut(en) + -amine Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for glutamine


/ˈɡluːtəˌmiːn; -mɪn/
a nonessential amino acid occurring in proteins: plays an important role in protein metabolism
Word Origin
C19: from glut(en) + -amine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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glutamine in Medicine

glutamine glu·ta·mine (glōō'tə-mēn')
Abbr. Glu
A nonessential amino acid that occurs widely in proteins and blood and other tissue and is metabolized to yield urinary ammonia. Also called glutaminic acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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glutamine in Science
A nonessential amino acid. Chemical formula: C5H10N2O3. See more at amino acid.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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