ionisation

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A form of ionization — Any process that leads to the dissociation of a neutral atom or molecule into charged particles ions; the state of being ionized.

Similar
ionization
OriginEnglish ionise ← Ancient Greek ἰόν (ión) ← Proto-Hellenic *éimi →
UncommonScrabble 10
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Meanings

nounionisation (plural ionisations)

plural ionisations

  1. alternativeAlternative spelling of ionization.

Synonyms & antonyms

nounthe condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge)

Similar
ionization
Broader
conditionstatus

nounthe process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas

Similar
ionization
Broader
natural processnatural actionaction
Also see
ionization

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*h₁ey-
  2. Proto-Indo-European*h₁éyti
  3. Proto-Hellenic*éimi
  4. Ancient Greekἰόν (ión)
  5. Englishion
  6. Englishionise
  7. Englishionisation

From ionise + -ation.

Full word history & related roots →

Rhymes & wordplay

Rhymes with ionisation

informationeducationlocationapplicationassociationadministrationorganizationcorporationregistrationAsianfoundationcommunicationpopulationnavigationstationaccommodationoperationpublicationvacationtransportationevaluationimplementationinstallationnation
All rhymes →
Cite this entry
APA

ionisation. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/ionisation

MLA

“ionisation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ionisation. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “ionisation,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/ionisation.

Source: ionisation on Wiktionary, CC BY-SA 4.0.