[ uhl-truh-sen-truh-fyooj ]

  1. 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.
  1. to subject to the action of an ultracentrifuge.

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/, adjective
  • ul·tra·cen·trif·u·gal·ly, adverb

Words Nearby ultracentrifuge

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for ultracentrifuge


/ (ˌʌltrəˈsɛntrɪˌfjuːdʒ) chem /

  1. a high-speed centrifuge used to separate colloidal solutions

  1. (tr) to subject to the action of an ultracentrifuge

Derived forms of ultracentrifuge

  • ultracentrifugal (ˌʌltrəsɛnˈtrɪfjʊɡəl, -ˌsɛntrɪˈfjuːɡəl), adjective
  • ultracentrifugally, adverb
  • ultracentrifugation (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

Scientific definitions for ultracentrifuge


[ ŭl′trə-sĕntrə-fyōōj′ ]

  1. 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.