ionize

verb
ion·​ize | \ ˈī-ə-ˌnīz How to pronounce ionize (audio) \
ionized; ionizing

Definition of ionize

transitive verb

: to convert wholly or partly into ions

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Other Words from ionize

ionizable \ ˈī-​ə-​ˌnī-​zə-​bəl How to pronounce ionize (audio) \ adjective
ionizer \ ˈī-​ə-​ˌnī-​zər How to pronounce ionize (audio) \ noun

Examples of ionize in a Sentence

Recent Examples on the Web The solar radiation may ionize some of the molecules in the comet's coma, resulting in energetic electrons colliding with other molecules and releasing heat, Science Alert reports. Elizabeth Gamillo, Smithsonian Magazine, 8 July 2021 The ensuing energetic radiation and stellar winds ionize and blow off surrounding material. Ethan Siegel, Forbes, 28 June 2021 After exposure to sunlight, the vapor clouds ionize and take on a violet color. Sarah Brookbank, The Enquirer, 7 May 2021 After exposure to sunlight and 30 seconds have passed, the clouds will ionize and turn a violet hue, generating a magnetic field perturbation. Julia Musto, Fox News, 7 May 2021 This radiation is energetic enough to ionize them, enabling that portion of the Universe to be transparent. Ethan Siegel, Forbes, 15 Apr. 2021 Ion drives use electricity to ionize propellants, which knocks electrons free from the gas. Daniel Oberhaus, Wired, 15 Oct. 2020 As the gases ionize, the methane breaks down and the carbon-14 collects on a substrate in the reactor and begins to grow in a diamond lattice. Daniel Oberhaus, Wired, 31 Aug. 2020 The beautiful image, which spans 190 light-years, is one of a set of long, thin strands of ionized gas called filaments. Fox News, 19 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ionize.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of ionize

1898, in the meaning defined at transitive sense

History and Etymology for ionize

ion + -ize, after German ionisiren (now ionisieren) or French ioniser

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Statistics for ionize

Last Updated

16 Jul 2021

Cite this Entry

“Ionize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ionize. Accessed 26 Jul. 2021.

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More Definitions for ionize

ionize

verb
ion·​ize | \ ˈī-ə-ˌnīz How to pronounce ionize (audio) \
ionized; ionizing

Kids Definition of ionize

: to change into ions

ionize

verb
ion·​ize
variants: or chiefly British ionise \ ˈī-​ə-​ˌnīz How to pronounce ionize (audio) \
ionized or chiefly British ionised; ionizing or chiefly British ionising

Medical Definition of ionize

transitive verb

: to convert wholly or partly into ions

Other Words from ionize

ionizable or chiefly British ionisable \ -​ˌnī-​zə-​bəl How to pronounce ionize (audio) \ adjective
ionization or chiefly British ionisation \ ˌī-​ə-​nə-​ˈzā-​shən How to pronounce ionize (audio) \ noun

More from Merriam-Webster on ionize

Nglish: Translation of ionize for Spanish Speakers

Britannica English: Translation of ionize for Arabic Speakers

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