1 ionizable | Definition of ionizable

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

Examples of ionize in a Sentence

Recent Examples on the Web

This kind of radiation, also known as radiofrequency energy, shouldn’t be confused with ionizing radiation, such as gamma rays and X-rays, which can strip electrons from atoms and cause serious biological harm, including cancer. Sam Roe, chicagotribune.com, "We tested popular cellphones for radiofrequency radiation. Now the FCC is investigating.," 21 Aug. 2019 This technique involves shooting a laser at the skull fragments to generate tiny particles that can be ionized. Stephanie Demarco, latimes.com, "210,000-year-old skull in Greece is earliest sign of modern humans in Europe or Asia," 10 July 2019 Consumers have been reluctant to embrace irradiation, which exposes food products to ionizing radiation, and organic standards don’t allow its use. Virginia Gewin, Washington Post, "Produce growers get new ammunition in the battle against outbreaks," 22 July 2019 The most prominent absorption lines of hydrogen and ionized oxygen are at very short wavelengths, in the ultraviolet and X-ray portions of the spectrum. Quanta Magazine, "A Short History of the Missing Universe," 19 Sep. 2018 Gunn and a fellow graduate student, Bruce Peterson, noticed that the light from these quasars was missing a signature of neutral hydrogen, meaning the hydrogen gas surrounding the objects must have been ionized by starlight. Quanta Magazine, "The Astronomer Who’d Rather Build Space Cameras," 18 Apr. 2019 The sample is vaporized via heating, and bombarded with an electron beam to ionize the molecules. Jennifer Ouellette, Ars Technica, "Study brings us one step closer to solving 1994 thallium poisoning case," 25 Dec. 2018 The comet's green glow is due to cyanide and carbon molecules becoming ionized by the warmth of the sun. Temi Adebowale, Popular Mechanics, "Look Up! You Might Be Able to See a Green Comet Tonight," 7 Aug. 2018 Cell phones emit radiofrequency energy, a form of non-ionizing radiation, and the tissues in our bodies closest to the phone can absorb this energy. Jacqueline Howard, CNN, "Brain tumors on the rise in England, raising cell phone concerns," 2 May 2018

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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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 ionise (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 ionisable (audio) \ adjective
ionization or chiefly British ionisation \ ˌī-​ə-​nə-​ˈzā-​shən How to pronounce ionisation (audio) \ noun

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More from Merriam-Webster on ionize

Rhyming Dictionary: Words that rhyme with ionize

Spanish Central: Translation of ionize

Nglish: Translation of ionize for Spanish Speakers

Britannica English: Translation of ionize for Arabic Speakers