✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!
variants or tPA or less commonly t-PA

Browse Nearby Words

Cite this Entry

“TPA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/TPA. Accessed 11 Dec. 2025.

Medical Definition

tPA

abbreviation
tissue plasminogen activator
Love words? Need even more definitions?

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