The Collaborative International Dictionary
Etherification
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.
Wiktionary
etherification
n. (context organic chemistry English) The process of making an ether, especially the removal of alcohols from petroleum products by reacting with sulfuric acid