1. of, relating to, or containing a cation (a positively charged ion)
Usage: chemistry; technical

Examples

• Cationic surfactants are commonly used in fabric softeners.
• The cationic polymer helped purify the water by attracting negatively charged particles.
• In electrochemistry, cationic species migrate toward the cathode.
• Cationic exchange resins are used in water softening systems.
• The cationic nature of the compound made it soluble in polar solvents.