TPA

abbreviation

variants or tPA or less commonly t-PA
tissue plasminogen activator

Browse Nearby Words

TP
TPA
TPD
See all Nearby Words

Cite this Entry

“TPA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/TPA. Accessed 14 Mar. 2025.

Copy Citation

Share

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!

Popular in Grammar & Usage

See More

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

'Affect' vs. 'Effect'

What's the difference between 'fascism' and 'socialism'?

More Commonly Misspelled Words

Words You Always Have to Look Up
See More

Popular in Wordplay

See More

13 Unusually Long English Words

9 Superb Owl Words

8 Words with Fascinating Histories

8 Words for Lesser-Known Musical Instruments

Birds Say the Darndest Things
See More

Popular Features

See More

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

13 Unusually Long English Words

9 Superb Owl Words
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
number-twelve-balloon
12-Letter Words Quiz A dozen words, a dozen letters each.
See All