[ al-uh-neen, -nin ]
/ ˈæl əˌnin, -nɪn /
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any of several isomers of a colorless, crystalline, water-soluble amino acid, CH3CH(NH2)COOH, found in many proteins and produced synthetically: used chiefly in biochemical research. Abbreviation: Ala; Symbol: A
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Words nearby alanine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for alanine
/ (ˈæləˌniːn, -ˌnaɪn) /
a nonessential aliphatic amino acid that occurs in many proteins
Word Origin for alanine
C19: from German Alanin, from al (dehyde) + -an- (euphonic infix) + -in -ine ²
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
Medical definitions for alanine
[ ăl′ə-nēn′ ]
A crystalline amino acid that is a constituent of many proteins.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for alanine
[ ăl′ə-nēn′ ]
A nonessential amino acid. Chemical formula: C3H7NO2. See more at amino acid.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.