— anionic /an'uy on"ik/ , adj. — anionically , adv.
/an"uy'euhn/ , n. Physical Chem.
1. a negatively charged ion, as one attracted to the anode in electrolysis.
2. any negatively charged atom or group of atoms (opposed to cation ).
[ 1825-35; anión going up (prp. of aniénai to go up), equiv. to an- AN- 3 + -i- go + -on prp. suffix ]