✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!
transient ischemic attack

Browse Nearby Words

Cite this Entry

“TIA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/TIA. Accessed 27 Nov. 2025.

Medical Definition

TIA

abbreviation
transient ischemic attack
Love words? Need even more definitions?

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