cationic

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cat·i·on·ic

(kat'i-on'ik),
Referring to positively charged ions and their properties.

cation

(kat'i?on) [ cata- + Gr. ion, going]
An ion with a positive electric charge. It is attracted by and travels to the cathode.
See: anion; electrolyte; ioncationic (kat?i?on'ik), adjective

cationic

having qualities dependent on having free cations available.

cationic detergents
are wetting agents that disrupt or damage cell membranes, denature proteins and inactivate enzymes. Examples are the quaternary ammonium compounds.