• synonyms

aspartic acid

[ uh-spahr-tik ]
/ əˈspɑr tɪk /

noun Biochemistry.

a nonessential amino acid, C4H7NO4, produced by the hydrolysis of asparagine and proteins, found chiefly in young sugar cane and sugar-beet molasses, and used in the preparation of culture media and as a dietary supplement. Abbreviation: Asp; Symbol: D


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Nearby words

asparagus fern, aspartame, aspartase, aspartate, aspartate aminotransferase, aspartic acid, aspasia, aspect, aspect ratio, aspectant, aspectual

Origin of aspartic acid

First recorded in 1830–40; aspar(agus) + -tic
Also called aminosuccinic acid. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for aspartic acid

aspartic acid

/ (əˈspɑːtɪk) /


a nonessential amino acid that is a component of proteins and acts as a neurotransmitter

Word Origin for aspartic acid

C19: from aspar (agus) + -ic
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

Medicine definitions for aspartic acid

aspartic acid

[ ə-spärtĭk ]


One of the nonessential amino acids that occur in proteins.alpha-aminosuccinic acid
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for aspartic acid

aspartic acid

[ ə-spärtĭk ]

A nonessential amino acid. Chemical formula: C4H7NO4. See more at amino acid.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.