Deionize

verb

verb ·Rare ·Advanced level

Definitions

Verb
  1. 1
    To remove the ions from; to deprive of ions.; To cause (an ionized substance) to return to a neutral state; to convert (an ion) into a neutral atom or molecule. physical, transitive
  2. 2
    deprive of ions wordnet
  3. 3
    To remove the ions from; to deprive of ions.; To remove the ionic constituents from (a liquid, e.g. water). physical, transitive

    "Water can be deionized using ion exchange resins."

  4. 4
    To be deprived of ions. intransitive, physical
  5. 5
    To be deprived of ions.; Of an ionized substance, to return to a neutral state. intransitive, physical

    "Sparks have been made with durations as light sources down to a few nanoseconds, the advantage being that the ionized gas which created the light can deionize and dissipate its heat sufficiently quickly whereas a discharge in gases like xenon in a bottle deionizes and dissipates more slowly."

Synonyms

All synonyms
unionize

Example

More examples

"Water can be deionized using ion exchange resins."

Etymology

From de- + ionize.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.