Antonyms of adj nonionic

2 senses of nonionic

Sense 1
nonionized (vs. ionized), nonionised, unionized, unionised, nonionic -- (not converted into ions)


Sense 2
nonionic (vs. ionic), nonpolar -- (not ionic; "a nonionic substance")

ionic (vs. nonionic) -- (containing or involving or occurring in the form of ions; "ionic charge"; "ionic crystals"; "ionic hydrogen")

Similarity of adj nonionic

2 senses of nonionic

Sense 1
nonionized (vs. ionized), nonionised, unionized, unionised, nonionic -- (not converted into ions)

Sense 2
nonionic (vs. ionic), nonpolar -- (not ionic; "a nonionic substance")