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.
The Heptarchy, according to Bartholomew's A literary & historical atlas of Europe (1914) The Heptarchy is a collective name applied to the seven petty kingdoms of Anglo-Saxon England from the Anglo-Saxon settlement of Britain in 5th century until their unification into the Kingdom of England in the early 10th century. The term Heptarchy alludes to the tradition that there were seven Anglo-Saxon kingdoms, usually enumerated as: East Anglia, Essex, Kent, Mercia, Northumbria, Sussex and Wessex. The Anglo-Saxon kingdoms eventually unified into the Kingdom of England. The historiograph