gamma-aminobutyric acid

noun

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-
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Revox 7 serum also contains gamma-aminobutyric acid, another form of amino acid that reduces the appearance of prominent lines and skin creasing. Sarah Han, Allure, 27 Sep. 2024 Common neurotransmitters include serotonin, epinephrine, dopamine, acetylcholine, and gamma-aminobutyric acid (GABA). Smita Patel, Verywell Health, 25 Sep. 2024 Magnesium binds with a chemical messenger in our brains called gamma-aminobutyric acid (GAMA), which then signals to our nervous system to relax. Audrey Noble, Allure, 13 Sep. 2024 Herbal teas like valerian root, lemon balm, and chamomile act on the neurotransmitter gamma-aminobutyric acid (GABA) to facilitate and improve sleep quality. Amy Brownstein, Ms, Rdn, Verywell Health, 10 July 2024 See all Example Sentences for gamma-aminobutyric acid 

Word History

First Known Use

1900, in the meaning defined above

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

Dictionary Entries Near gamma-aminobutyric acid

Cite this Entry

“Gamma-aminobutyric acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gamma-aminobutyric%20acid. Accessed 22 Dec. 2024.

Medical Definition

gamma-aminobutyric acid

noun
gam·​ma-ami·​no·​bu·​tyr·​ic acid
: an amino acid C4H9NO2 that is a neurotransmitter that induces inhibition of postsynaptic neurons

called also GABA

More from Merriam-Webster on gamma-aminobutyric acid

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!