Wiktionary
nonionic
a. Not ionic; anionic
WordNet
nonionic
adj. not converted into ions [syn: nonionized, nonionised, unionized, unionised] [ant: ionized]
not ionic; "a nonionic substance" [syn: nonpolar] [ant: ionic]
Usage examples of "nonionic".
Mannesmann wash-head and solution of nonionic surfactant made from California citrus juice.