de·​ion·​ize | \(ˌ)dē-ˈī-ə-ˌnīz \

Definition of deionize 

transitive verb

: to remove ions from deionize water by ion exchange

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Other Words from deionize

deionization \ (ˌ)dē-​ˌī-​ə-​nə-​ˈzā-​shən \ noun
deionizer \ -​ˌnī-​zər \ noun

Examples of deionize in a Sentence

Recent Examples on the Web

But before going on with my water log, so to speak, some definitions: Purified or filtered water (Dasani, Aquafina) is tap water that has been distilled, deionized, or put through reverse osmosis. Bob Morris, Town & Country, "A Users Guide to Bottled Water," 3 May 2018 Several rooms at the preservation facility resemble chemistry labs with vacuums called snorkels hanging from the ceiling and tanks of deionized water for paper conservation. Meg Jones, Milwaukee Journal Sentinel, "Wisconsin's attic is moving — Wisconsin Historical Society and Wisconsin Veterans Museum move collections," 20 Apr. 2018

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

First Known Use of deionize

1906, in the meaning defined above

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Time Traveler for deionize

The first known use of deionize was in 1906

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More Definitions for deionize


transitive verb
variants: or British deionise \ (ˈ)dē-​ˈī-​ə-​ˌnīz \
deionized or British deionised; deionizing or British deionising

Medical Definition of deionize 

: to remove ions from deionize water by ion exchange

Other Words from deionize

deionization \ (ˌ)dē-​ˌī-​ə-​nə-​ˈzā-​shən \ noun
deionizer \ (ˈ)dē-​ˈī-​ə-​ˌnī-​zər \ noun

More from Merriam-Webster on deionize

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Comments on deionize

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something that serves to warn or remind

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