ionize

[ahy-uh-nahyz]
verb (used without object), i·on·ized, i·on·iz·ing.
  1. to become changed into the form of ions, as by dissolving.
Also especially British, i·on·ise.

Origin of ionize

First recorded in 1895–1900; ion + -ize
Related formsi·on·iz·a·ble, adjectivei·on·i·za·tion, nouni·on·iz·er, nounnon·i·on·ized, adjectivenon·i·on·iz·ing, adjectiveself-i·on·i·za·tion, nounun·i·o·nized, adjectiveun·un·ion·ized, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ionization

Historical Examples of ionization


British Dictionary definitions for ionization

ionization

ionisation

noun
    1. the formation of ions as a result of a chemical reaction, high temperature, electrical discharge, particle collisions, or radiation
    2. (as modifier)ionization temperature; ionization current

ionize

ionise

verb
  1. to change or become changed into ions
Derived Formsionizable or ionisable, adjective
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 ionization
n.

1891; see ionize + -ation.

ionize

v.

1896, from ion + -ize. Related: Ionized; ionizing.

Online Etymology Dictionary, © 2010 Douglas Harper

ionization in Medicine

ionization

[ī′ə-nĭ-zāshən]
n.
  1. The formation of or separation into ions by heat, electrical discharge, radiation, or chemical reaction; electrolytic dissociation.
  2. iontophoresis

ionize

ə-nīz′]
v.
  1. To dissociate atoms or molecules into electrically charged atoms or radicals.
Related formsion•iz′er n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

ionization in Science

ionize

ə-nīz′]
  1. To give an atom or group of atoms a net electric charge by adding or removing one or more electrons.
  2. 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.