thromboplastic

adjective

throm·​bo·​plas·​tic ˌthräm-bō-ˈpla-stik How to pronounce thromboplastic (audio)
: initiating or accelerating the clotting of blood

Word History

Etymology

International Scientific Vocabulary

First Known Use

1908, in the meaning defined above

Time Traveler
The first known use of thromboplastic was in 1908

Rhymes for thromboplastic

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Browse Nearby Words

thrombophlebitis
thromboplastic
thromboplastin
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Cite this Entry

“Thromboplastic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thromboplastic. Accessed 7 Jul. 2026.

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Medical Definition

thromboplastic

adjective
throm·​bo·​plas·​tic ˌthräm-bō-ˈplas-tik How to pronounce thromboplastic (audio)
: initiating or accelerating the clotting of blood
a thromboplastic substance
thromboplastically
-ti-k(ə-)lē How to pronounce thromboplastic (audio)
adverb
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