ionize

verb

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

transitive verb

: to convert wholly or partly into ions
ionizable adjective
ionizer noun

Examples of ionize in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Eventually, the ions start passing through the surrounding air as well, ionizing it to produce that hot plume of plasma. Jennifer Ouellette, Ars Technica, 27 Dec. 2024 As mentioned before, metals are more resilient to ionizing radiation. IEEE Spectrum, 21 July 2021 Stellar energy hitting the disk can ionize the gas inside of it, blowing away the gas. Nola Taylor Tillman, Space.com, 17 Feb. 2025 At the same time, that vortex is carrying conductive aerosol particles, which ionize the air and produce even more turbulence. Michael Irving, New Atlas, 6 Feb. 2025 See All Example Sentences for ionize

Word History

Etymology

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

First Known Use

1898, in the meaning defined at transitive sense

Time Traveler
The first known use of ionize was in 1898

Cite this Entry

“Ionize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ionize. Accessed 19 Mar. 2025.

Kids Definition

ionize

verb
ion·​ize ˈī-ə-ˌnīz How to pronounce ionize (audio)
ionized; ionizing
1
: to convert wholly or partly into ions
2
: to become ionized
ionizable adjective
ionization noun
ionizer noun

Medical Definition

ionize

verb
ion·​ize
variants or chiefly British ionise
ionized or chiefly British ionised; ionizing or chiefly British ionising

transitive verb

: to convert wholly or partly into ions
ionizable adjective
or chiefly British ionisable
ionization noun
or chiefly British ionisation

More from Merriam-Webster on ionize

Last Updated: - Updated example sentences
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