gamma-aminobutyric acid

gam·​ma-ami·​no·​bu·​tyr·​ic acid | \ ˌga-mə-ə-ˌmē-(ˌ)nō-byü-ˈtir-ik- How to pronounce gamma-aminobutyric acid (audio) , ˌga-mə-ˌa-mə-(ˌ)nō- \

Definition of gamma-aminobutyric acid

: an amino acid C4H9NO2 that is a neurotransmitter which induces inhibition of postsynaptic neurons

Examples of gamma-aminobutyric acid in a Sentence

Recent Examples on the Web The wasp's venom contains gamma-aminobutyric acid (GABA), an inhibitory neurotransmitter that shuts down the motor neurons, temporarily paralyzing the legs. Kenneth C. Catania, Scientific American, "The Epic, Absurdly Complex Battle between a Zombie Maker and Its Victim," 1 Feb. 2021 Others make an amino acid called gamma-aminobutyric acid that naturally blocks some brain signals. Robert Lee Hotz, WSJ, "Feeling Depressed? Bacteria in Your Gut May Be to Blame," 21 Dec. 2020 These drugs enhance the activity of the central nervous system’s main inhibitory neurotransmitter, GABA (gamma-aminobutyric acid). Andrea Petersen, WSJ, "More People Are Taking Drugs for Anxiety and Insomnia, and Doctors Are Worried," 25 May 2020 What are benzodiazepines? Benzodiazepines are a class of anti-anxiety medications, or anxiolytics, that increase the activity of the gamma-aminobutyric acid receptors in the brain. Arash Javanbakht, The Conversation, "Where is my Xanax Rx? Why your doctor may be concerned about prescribing benzodiazepines," 18 Oct. 2019 The most common prescription sleeping pills (including zoplidem and eszopiclone) work on receptors for the neurotransmitter GABA (gamma-aminobutyric acid), the main inhibitory neurotransmitter in your central nervous system. Korin Miller, SELF, "Chrissy Teigen Says She Woke Up ‘Covered in Chewed Gum’ After Taking a Sleeping Pill," 27 Sep. 2018 Flynn wanted to see how gamma-Aminobutyric acid, shortened to GABA, could be used to save a plant's life during exposure to the extreme cold. Michael Walsh, Courant Community, "Saint Timothy Middle School Students Excel At Connecticut Science Fair," 3 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gamma-aminobutyric acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of gamma-aminobutyric acid

1900, in the meaning defined above

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The first known use of gamma-aminobutyric acid was in 1900

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Cite this Entry

“Gamma-aminobutyric acid.” Dictionary, Merriam-Webster, Accessed 18 May. 2021.

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More Definitions for gamma-aminobutyric acid

gamma-aminobutyric acid

gam·​ma-ami·​no·​bu·​tyr·​ic acid
variants: also γ-aminobutyric acid \ ˌgam-​ə-​ə-​ˌmē-​(ˌ)nō-​byü-​ˌtir-​ik-​, ˌgam-​ə-​ˌam-​ə-​(ˌ)nō-​ How to pronounce gamma-aminobutyric acid (audio) \

Medical Definition of gamma-aminobutyric acid

: an amino acid C4H9NO2 that is a neurotransmitter that induces inhibition of postsynaptic neurons

called also GABA

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