[dih-loo-shuh n, dahy-]

Origin of dilution

First recorded in 1640–50; dilute + -ion
Related formsan·ti·di·lu·tion, adjectivenon·di·lu·tion, nouno·ver·di·lu·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for non-dilution


  1. the act of diluting or state of being diluted
  2. a diluted solution
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 non-dilution



1640s, noun of action from past participle stem of Latin diluere (see dilute).

Online Etymology Dictionary, © 2010 Douglas Harper

non-dilution in Medicine


[dī-lōōshən, dĭ-]
  1. The act of reducing the concentration of a mixture or solution.
  2. A diluted solution.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

non-dilution in Science


  1. The process of making a substance less concentrated by adding a solvent, such as water.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.