ethereal : Idioms & Phrases

Ethereal oil

  • . (Chem.) See Essential oil, under Essential.
Webster 1913

Ethereal oil of wine

  • (Chem.), a heavy, yellow, oily liquid consisting essentially of etherin, etherol, and ethyl sulphate. It is the oily residuum left after etherification. Called also heavy oil of wine (distinguished from oil of wine, or oenanthic ether).
Webster 1913

Ethereal salt

  • (Chem.), a salt of some organic radical as a base; an ester.
Webster 1913