arginine

[ahr-juh-neen, -nahyn, -nin]

ar·gi·nine

[ahr-juh-neen, -nahyn, -nin]
noun Biochemistry.
an essential amino acid, C6H14N4O2: the free amino acid increases insulin secretion and is converted to urea in the liver by arginase. Abbreviation: Arg; Symbol: R

Origin:
1885–90; < German Arginin, a name unexplained by its originators
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Arginine is always a great word to know.
So is serine. Does it mean:
white, crystalline, water-soluble obtained by the decomposition of proteins
found in many proteins and obtained by the hydrolysis of sericin, the protein constituting silk gum
Collins
World English Dictionary
arginine (ˈɑːdʒɪˌnaɪn)
 
n
an essential amino acid of plant and animal proteins, necessary for nutrition and for the production of excretory urea
 
[C19: from German Arginin, of uncertain origin]

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

arginine ar·gi·nine (är'jə-nēn')
n.
Abbr. Arg
An amino acid obtained from the hydrolysis or digestion of plant and animal protein.

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
arginine   (är'jə-nēn')  Pronunciation Key 
An amino acid that is essential for children but not for adults. Chemical formula: C6H14N4O2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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