Source : Webster's Revised Unabridged Dictionary (1913)

Etherification \E*ther`i*fi*ca"tion\, n. (Chem.)
   The act or process of making ether; specifically, the process
   by which a large quantity of alcohol is transformed into
   ether by the agency of a small amount of sulphuric, or ethyl
   sulphuric, acid.