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 is a chemical commonly extracted from petroleum and crude oil. It is a colorless liquid that gives off a subtle, gasoline-like odor.Hexane is highly flammable, yet it can be found in many household products such as stain removers for arts and crafts projects.afely Handling Hexane & First Aid. Exposure to hexane is most likely to occur in the workplace. It is recommended that you wear protective gloves, safety goggles, protective clothing and breathing protection when working with the chemical.