verb · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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ī'-ə-nīz
/ˈaɪ.ə.naɪz/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:AY1 AH0 N AY2 Z
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
verb
Meaning 1
To dissociate atoms or molecules into electrically charged species; to be thus dissociated.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
verb
Meaning 2
convert into ions
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: ionise
Antonyms: none provided
Broader terms: change state, turn
3
verb
Meaning 3
become converted into ions
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: ionise
Antonyms: none provided
Broader terms: change
History
Etymology
Etymology tree Proto-Indo-European *h1ey- Proto-Indo-European *h1éyti Proto-Hellenic *éimi Ancient Greek ἰόν (ión)der. English ion Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō)bor. Late Latin -izōder. Middle French -iserbor. Middle English -isen English -ize English ionize From ion + -ize.
Across languages
Translations
27 source translations are retained for this English entry.
Arabic:
أَيَّنَ
(ʔayyana)
— to dissociate atoms or molecules into electrically charged species
Bulgarian:
йонизиран
(joniziran)
— to dissociate atoms or molecules into electrically charged species
Catalan:
ionitzar
— to dissociate atoms or molecules into electrically charged species
Danish:
ionisere
— to dissociate atoms or molecules into electrically charged species
Esperanto:
jonigi
— to dissociate atoms or molecules into electrically charged species
Finnish:
ionisoida
— to dissociate atoms or molecules into electrically charged species
Finnish:
ionisoitua
— to dissociate atoms or molecules into electrically charged species
French:
ioniser
— to dissociate atoms or molecules into electrically charged species
German:
ionisieren
— to dissociate atoms or molecules into electrically charged species
Greek:
ιονίζω
(ionízo)
— to dissociate atoms or molecules into electrically charged species
Hungarian:
ionizál
— to dissociate atoms or molecules into electrically charged species
Icelandic:
jóna
— to dissociate atoms or molecules into electrically charged species
Italian:
ionizzare
— to dissociate atoms or molecules into electrically charged species
Māori:
whakakatote
— to dissociate atoms or molecules into electrically charged species
Norwegian:
ionisere
— to dissociate atoms or molecules into electrically charged species
Polish:
jonizować
— to dissociate atoms or molecules into electrically charged species
Polish:
zjonizować
— to dissociate atoms or molecules into electrically charged species
Portuguese:
ionizar
— to dissociate atoms or molecules into electrically charged species
Romanian:
ioniza
— to dissociate atoms or molecules into electrically charged species
Russian:
ионизи́ровать
(ionizírovatʹ)
— to dissociate atoms or molecules into electrically charged species
Russian:
ионизова́ть
(ionizovátʹ)
— to dissociate atoms or molecules into electrically charged species
Spanish:
ionizar
— to dissociate atoms or molecules into electrically charged species
Swedish:
jonisera
— to dissociate atoms or molecules into electrically charged species
Tagalog:
sadagipikin
— to dissociate atoms or molecules into electrically charged species
Telugu:
అయనీకరణం చెందు
(ayanīkaraṇaṁ cendu)
— to dissociate atoms or molecules into electrically charged species
Telugu:
అయనీకరించు
(ayanīkariñcu)
— to dissociate atoms or molecules into electrically charged species
Ukrainian:
іонізува́ти
(ionizuváty)
— to dissociate atoms or molecules into electrically charged species