'Ethylsulphuric acid' definitions:

Definition of 'Ethylsulphuric acid'

From: GCIDE

Ethylsulphuric \Eth`yl*sul*phu"ric\a. (Chem.) Pertaining to, or containing, ethyl and sulphuric acid. [1913 Webster]
Ethylsulphuric acid (Chem.), an acid sulphate of ethyl, H.C2H5.SO4, produced as a thick liquid by the action of sulphiric acid on alcohol. It appears to be the active catalytic agent in the process of etherification. [1913 Webster]