ultracentrifuge

[ uhl-truh-sen-truh-fyooj ]
/ ˌʌl trəˈsɛn trəˌfyudʒ /
Physical Chemistry

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.

Nearby words

  1. ultra filtration,
  2. ultra vires,
  3. ultra-,
  4. ultra-distance,
  5. ultrabasic,
  6. ultraclean,
  7. ultraconservative,
  8. ultracrepidarian,
  9. ultracritical,
  10. ultradian

Origin of ultracentrifuge

First recorded in 1925–30; ultra- + centrifuge

Related formsul·tra·cen·trif·u·gal [uhl-truh-sen-trif-yuh-guh l, -uh-guh l] /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. 2019


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 Formsultracentrifugal (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

Medicine 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.
Related formsul′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.

Science 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.