Category:Ethionic

Eth`i*on"ic, a. Etym: [Ethyl + thionic.] (Chem.)

Defn: Pertaining to, derived from, or designating, an acid so called. Ethionic acid (Chem.), a liquid derivative of ethylsulphuric and sulphuric (thionic) acids, obtained by the action of sulphur trioxide on absolute alcohol.