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See more synonyms for deionize on Thesaurus.com
verb (used with object), de·i·on·ized, de·i·on·iz·ing. Chemistry.
  1. to remove ions from.
  2. to reassociate the ions of (an ionized gas).
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Also especially British, de·i·on·ise.

Origin of deionize

First recorded in 1905–10; de- + ionize
Related formsde·i·on·i·za·tion, nounde·i·on·iz·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018