ultracentrifuge

verb

ultracentrifuged; ultracentrifuging; ultracentrifuges

transitive verb

: to subject to an ultracentrifuge

Word History

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of ultracentrifuge was in 1934

Browse Nearby Words

Cite this Entry

“Ultracentrifuge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultracentrifuge. Accessed 12 Jun. 2026.

Medical Definition

ultracentrifuge

1 of 2 noun
ul·​tra·​cen·​tri·​fuge -ˈsen-trə-ˌfyüj How to pronounce ultracentrifuge (audio)
: a high-speed centrifuge able to sediment colloidal and other small particles and used especially in determining sizes of such particles and molecular weights of large molecules

ultracentrifuge

2 of 2 transitive verb
ultracentrifuged; ultracentrifuging
: to subject to centrifugal action in an ultracentrifuge
ultracentrifuge blood plasma
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