D defs.my
Entry 1 sense Webster, 1913

cationic

· IPA
01 adj. of or pertaining to cations; having a net positive charge; positively ionic; -- said of ions. Contrasted with anionic.
  1. 1.
    of or pertaining to cations; having a net positive charge; positively ionic; -- said of ions. Contrasted with anionic.(Chem.)