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[glahy-seen, glahy-seen] /ˈglaɪ sin, glaɪˈsin/
noun, Biochemistry.
a colorless, crystalline, sweet, water-soluble solid, H 2 NCH 2 COOH, the simplest amino acid: used chiefly in organic synthesis and biochemical research. Symbol: G.
Abbreviation: Gly;
Also called aminoacetic acid, glycocoll
[glahy-kuh-kol] /ˈglaɪ kəˌkɒl/ (Show IPA)
Origin of glycine
First recorded in 1850-55; glyc- + -ine2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for glycine


/ˈɡlaɪsiːn; ɡlaɪˈsiːn/
a nonessential amino acid occurring in most proteins that acts as a neurotransmitter; aminoacetic acid
Word Origin
C19: glyco- + -ine²
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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glycine in Medicine

glycine gly·cine (glī'sēn', -sĭn)

Abbr. Gly A nonessential amino acid derived from the alkaline hydrolysis of gelatin and used as a nutrient and dietary supplement, also used in biochemical research and in the treatment of certain myopathies.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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glycine in Science
  (glī'sēn', -sĭn)   
A nonessential amino acid. Glycine is the simplest amino acid. Chemical formula: C2H5NO2. See more at amino acid.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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