noun
: an ethyl ester of sulfuric acid ; especially : the fragrant oily diethyl ester (C 2 H 5 ) 2 SO 4 made usually by reaction of ethyl alcohol and oleum and used as an ethylating agent
noun
: an ethyl ester of sulfuric acid ; especially : the fragrant oily diethyl ester (C 2 H 5 ) 2 SO 4 made usually by reaction of ethyl alcohol and oleum and used as an ethylating agent
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012