Dictionary.com

ultracentrifuge

[ uhl-truh-sen-truh-fyooj ]
/ ˌʌl trəˈsɛn trəˌfyudʒ /
Physical Chemistry
Save This Word!

noun

a high-speed centrifuge for subjecting sols or solutions to forces many times that of gravity and producing concentration differences depending on the weight of the micelle or molecule.

verb (used with object), ul·tra·cen·tri·fuged, ul·tra·cen·tri·fug·ing.

to subject to the action of an ultracentrifuge.

QUIZZES

QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of ultracentrifuge

First recorded in 1925–30; ultra- + centrifuge

OTHER WORDS FROM ultracentrifuge

ul·tra·cen·trif·u·gal [uhl-truh-sen-trif-yuh-guhl, -uh-guhl], /ˌʌl trə sɛnˈtrɪf yə gəl, -ə gəl/, adjectiveul·tra·cen·trif·u·gal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for ultracentrifuge

ultracentrifuge
/ (ˌʌltrəˈsɛntrɪˌfjuːdʒ) chem /

noun

a high-speed centrifuge used to separate colloidal solutions

verb

(tr) to subject to the action of an ultracentrifuge

Derived forms of ultracentrifuge

ultracentrifugal (ˌʌltrəsɛnˈtrɪfjʊɡəl, -ˌsɛntrɪˈfjuːɡəl), adjectiveultracentrifugally, adverbultracentrifugation (ˌʌltrəˌsɛntrɪfjʊˈɡeɪʃən), noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for ultracentrifuge

ultracentrifuge
[ ŭl′trə-sĕntrə-fyōōj′ ]

n.

A centrifuge that uses high-velocity rotations to achieve the separation of colloidal or submicroscopic particles.

Other words from ultracentrifuge

ul′tra•cen•trifu•gal (-trĭfyə-gəl, -trĭfə-gəl) adj.ul′tra•cen′tri•fu•gation (-fyu-gāshən) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for ultracentrifuge

ultracentrifuge
[ ŭl′trə-sĕntrə-fyōōj′ ]

A high-velocity centrifuge used in the separation of colloidal or submicroscopic particles.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
See Today's Synonym