D defs.my
Entry 1 sense Webster, 1913

Etherin

· E·ther·in · IPA
01 n. A white, crystalline hydrocarbon, regarded as a polymeric variety of ethylene, obtained in heavy oil of wine, the residue left after making…
  1. 1.
    A white, crystalline hydrocarbon, regarded as a polymeric variety of ethylene, obtained in heavy oil of wine, the residue left after making ether; -- formerly called also concrete oil of wine.(Chem.) Also: concrete oil of wine