In chemistry|lang=en terms the difference between anionic and catanionic
is that anionic is (chemistry) of or pertaining to an anion while catanionic is (chemistry) containing both cationic and anionic centres; zwitterionic.
As adjectives the difference between anionic and catanionic
is that anionic is (chemistry) of or pertaining to an anion while catanionic is (chemistry) containing both cationic and anionic centres; zwitterionic.
As a noun anionic
is (informal) an anionic detergent.
catanionic
English
Adjective
(-)
(chemistry) Containing both cationic and anionic centres; zwitterionic