concentration

[ kon-suh n-trey-shuh n ]
/ ˌkɒn sənˈtreɪ ʃən /

noun


Nearby words

  1. concelebration,
  2. concent,
  3. concenter,
  4. concentrate,
  5. concentrated,
  6. concentration camp,
  7. concentration cell,
  8. concentration gradient,
  9. concentrative,
  10. concentre

Origin of concentration

First recorded in 1625–35; concentr(ic) + -ation

Related formshy·per·con·cen·tra·tion, nounnon·con·cen·tra·tion, nouno·ver·con·cen·tra·tion, nounpre·con·cen·tra·tion, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for concentration


British Dictionary definitions for concentration

concentration

/ (ˌkɒnsənˈtreɪʃən) /

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

Word Origin and History for concentration

concentration

n.

1630s, "action of bringing to a center," noun of action from verb concentrate (v.). Meaning "a mass so collected" is from 1670s; "continuous focus of mental activity" is from 1846.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for concentration

concentration

[ kŏn′sən-trāshən ]

n.

An increase of the strength of a pharmaceutical preparation by the extraction, precipitation, and drying of its crude active agent.
An increase in the strength of a fluid or gas in a mixture by purification, evaporation, or diffusion.
The amount of a specified substance in a unit amount of another substance.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for concentration

concentration

[ kŏn′sən-trāshən ]

The amount of a particular substance in a given amount of another substance, especially a solution or mixture.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.