gamma-aminobutyric acid

Browse Nearby Words

Cite this Entry

“GABA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/GABA. Accessed 15 Feb. 2026.

Medical Definition

GABA

noun or abbreviation
Love words? Need even more definitions?

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

More from Merriam-Webster