[glahy-seen, glahy-seen]
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. Abbreviation: Gly; Symbol: G
Also called aminoacetic acid, glycocoll [glahy-kuh-kol] .

1850–55; glyc- + -ine2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
glycine (ˈɡlaɪsiːn, ɡlaɪˈsiːn)
a nonessential amino acid occurring in most proteins that acts as a neurotransmitter; aminoacetic acid
[C19: glyco- + -ine²]

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

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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American Heritage
Science Dictionary
glycine   (glī'sēn', -sĭn)  Pronunciation Key 
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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Example sentences
Neurons that express the glycine receptor were give small bursts of glycine to trigger activity.
Some amino acids-sweet glycine and savory glutamate-turn out to be big contributors to seafood's delicious repertoire of flavors.
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