Wiktionary (0.00 / 0 votes) Rate this definition: device (Noun). Any piece of equipment made for a particular purpose, especially a mechanical or electrical one. There are a number of household devices in a kitchen such as a dishwasher, a garbage disposal, or an electric can opener.
1. heptane-a colorless volatile highly flammable liquid obtained from petroleum and used as an anesthetic or a solvent or in determining octane ratings. alkane, alkane series, methane series, paraffin series, paraffin-a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2). 1  Facebook.
Hexane (also known as n-Hexane) is a highly volatile aliphatac hydrocarbon. It is a commercial and industrial product that contains a mixture of hydrocarbons with six carbon atoms (hence the prefix hex) (#ATSDR - Toxicological Profile. It is a colorless liquid at room temperature with a slight gasoline smell (#OSHA).