adjective. having the character of an anion; negatively charged; containing anions; -- of atoms, molecules, and groups of atoms. Contrasted with cationic.

adjective. of or pertaining to anions. Contrasted with cationic

noun. a class of synthetic detergents in which the molecules do not ionize in aqueous solutions.

adjective. of or pertaining to an anion

noun. an anionic detergent

noun. a class of synthetic detergents in which the molecules do not ionize in aqueous solutions

adjective. of or relating to anions

"Washing-up liquids are often of the 'anionic' types and are likely to interfere with the dyeing process."

detergent  

amphoteric  bispidine  carbocation  diatomic  electrophilic  

anionic detergent  non-ionic detergent