What do a.m. and p.m. stand for?


[dih-loo-shuh n, dahy-] /dɪˈlu ʃən, daɪ-/
the act of diluting or the state of being diluted.
something diluted.
Origin of dilution
1640-50; dilute + -ion
Related forms
antidilution, adjective
nondilution, noun
overdilution, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for dilution
  • Follow label directions for dilution to avoid burning plants.
  • But if too much dilution occurs, the water will get lighter, idling on top and stalling out the system.
  • Therefore the only acceptable dilution is zero discharged pollutants.
  • Many professors look with horror on such a dilution of the tests.
  • Despite the prospect of dilution, shareholders reacted positively in after-hours trading.
  • The dilution of other shareholders by awards of shares to executives has increased.
  • Radioactive contamination may be the one case for which the solution to pollution really is dilution.
  • It is an effect of the dilution of the solvent in the presence of a solute.
British Dictionary definitions for dilution


the act of diluting or state of being diluted
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
Cite This Source
Word Origin and History for dilution

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

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
dilution in Medicine

dilution di·lu·tion (dī-lōō'shən, 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.
Cite This Source
dilution in Science
The process of making a substance less concentrated by adding a solvent, such as water.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for dilution

Many English speakers likely know this word

Word Value for dilution

Scrabble Words With Friends

Quotes with dilution

Nearby words for dilution