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.
Dental X-rays emit a form of energy called ionizing radiation, which can damage DNA and increase the risk for cancer. Melinda Wenner Moyer, New York Times, 21 Jan. 2025 Uranium is a radioactive element, meaning its atoms are unstable and decay over time, emitting ionizing radiation. Daniel R. Depetris, Newsweek, 6 Dec. 2024 Under optimal viewing conditions, the stargazing website Earth Sky notes, about a quarter of Lyrids shooting stars produce persistent trains—lingering streaks of light that are the result of gases being ionized as the meteors enter Earth’s atmosphere. Gretchen Rundorff, WIRED, 2 Jan. 2025 The ionizing nature of X-rays can break chemical bonds, damage living cells and distort the biological structures under investigation. The Physics Arxiv Blog, Discover Magazine, 17 Dec. 2024 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

Dictionary Entries Near ionize

Cite this Entry

“Ionize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ionize. Accessed 29 Jan. 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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