concentration

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

noun

Origin of concentration

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

Related forms

hy·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

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.