Ethionic /(?)/

Eth·i·on·ic

Ethionic

a.
  1. Pertaining to, derived from, or designating, an acid so called. (Chem.)

Phrases & Compounds

Ethionic acid
a liquid derivative of ethylsulphuric and sulphuric (thionic) acids, obtained by the action of sulphur trioxide on absolute alcohol.