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.
(December 2009) (Learn how and when to remove this template message) Heptameter is a type of meter where each line of verse contains seven metrical feet. It was used frequently in Classical prosody, and in English, the line was used frequently in narrative poetry since the Romantics.