The Collaborative International Dictionary
Rhigolene
Rhigolene \Rhig"o*lene\, n. [Gr. ??? cold + L. oleum oil.] (Chem.) A mixture of volatile hydrocarbons intermediate between gsolene and cymogene. It is obtained in the purification of crude petroleum, and is used as a refregerant.
Wiktionary
rhigolene
n. (context organic compound English) A mixture of volatile hydrocarbons intermediate between gasolene and cymogene, used as a refrigerant.