dithionic

[ dahy-thahy-on-ik, dith-ee- ]
/ ˌdaɪ θaɪˈɒn ɪk, ˌdɪθ i- /

adjective Chemistry.

of or derived from dithionic acid.

Origin of dithionic

First recorded in 1850–55; di-1 + thionic