verb (used with object), i·on·ized, i·on·iz·ing.
verb (used without object), i·on·ized, i·on·iz·ing.
to become changed into the form of ions, as by dissolving.
Also especially British, i·on·ise.
Origin of ionize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
to change or become changed into ions
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
Online Etymology Dictionary, © 2010 Douglas Harper
To dissociate atoms or molecules into electrically charged atoms or radicals.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
To give an atom or group of atoms a net electric charge by adding or removing one or more electrons.
To form ions in a substance. Lightning ionizes air, for example.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.