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tr.v. di·lut·ed, di·lut·ing, di·lutes
1. To make thinner or less concentrated by adding a liquid such as water.
2. To lessen the force, strength, purity, or brilliance of, especially by admixture.
3. To decrease the value of (shares of stock) by increasing the total number of shares.
[Latin dīluere, dīlūt- : dī-, dis-, apart, away; see dis- + -luere, to wash (from lavere; see leu(ə)- in Indo-European roots).]
di·lut′er, di·lut′or n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a device that dilutes something, such as a fitting on a garden hose or part of an industrial machine
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014