ionise

Other spellings

• (US) ionize

Word parts

ion + -ise

Pronunciation

• enPR: ī'-ə-nīz, IPA ^(key): /ˈaɪ.ə.naɪz/

• Audio (UK)

  (file)

Verb

Plain form ionise

Third-person singular ionises

Past tense ionised

Past participle ionised

Present participle ionising

1. If you ionise something, you convert an atom into an ion by removing one or more of its electrons.