noun Descargar 🔗Compartir Petróleo A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under the Earth's surface Examples : "The factory used petroleum to fuel its machinery. " La fábrica usó petróleo para alimentar su maquinaria. material substance energy fuel geology chemistry Chat con IAJuego de vocabularioPracticar lectura