nonionic

Definitions of nonionic
  1. adjective
    not ionic
    “a nonionic substance”
    synonyms: nonpolar
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    Antonyms:
    ionic
    containing or involving or occurring in the form of ions
  2. adjective
    not converted into ions
    synonyms: nonionised, nonionized, unionised, unionized
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    Antonyms:
    ionised, ionized
    converted totally or partly into ions
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