(of central heating) using oil as fuel
/ˈɔɪlˌɡæs/ noun 1. a gaseous mixture of hydrocarbons used as a fuel, obtained by the destructive distillation of mineral oils
[oil-fish] /ˈɔɪlˌfɪʃ/ noun, plural oilfishes (especially collectively) oilfish. 1. a snake mackerel, Ruvettus pretiosus, commonly inhabiting deep, marine waters.
noun 1. gilding of glass or ceramic ware by using a size of japan or lacquer.
noun 1. . 2. . oil gland n. A gland, such as a sebaceous gland, that secretes an oily substance.