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ionize

[ahy-uh-nahyz]
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verb (used with object), i·on·ized, i·on·iz·ing.
  1. to separate or change into ions.
  2. to produce ions in.
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. 2018

Examples from the Web for ionization

Historical Examples


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

v.
  1. To dissociate atoms or molecules into electrically charged atoms or radicals.
Related formsion•iz′er n.

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.