Dictionary.com
definitions

gamma-aminobutyric acid

[gam-uh uh-mee-noh-byoo-tir-ik, -am-uh-noh-]

noun

GABA.

Origin of gamma-aminobutyric acid

First recorded in 1960–65; amino- + butyric acid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for gamma-aminobutyric acid

gamma-aminobutyric acid

noun

the full name for GABA
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
gamma-aminobutyric acid in Medicine

gamma-aminobutyric acid

[găm′ə-ə-mē′nō-byōō-tîr′ĭk, -ăm′ə-nō-]

n.

An amino acid that occurs in the central nervous system and that is associated with transmission of inhibitory nerve impulses.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
gamma-aminobutyric acid in Science

gamma-aminobutyric acid

[găm′ə-ə-mē′nō-byōō-tîr′ĭk, -ăm′ə-]

An amino acid occurring in the brain as a neurotransmitter that acts to inhibit the transmission of nerve impulses. Certain antianxiety drugs, called benzodiazepines, mimic the actions of gamma-aminobutyric acid. Chemical formula: C4H9NO2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.