an exact definition
121HAPAX LEGOMENA — (Gr. once said ), words which are only once recorded in a certain kind of literature. Since the interest in Middle Hebrew lexicography arose comparatively late, Middle Hebrew texts are frequently not well established philologically and new texts… …
122History of computing hardware — Computing hardware is a platform for information processing (block diagram) The history of computing hardware is the record of the ongoing effort to make computer hardware faster, cheaper, and capable of storing more data. Computing hardware… …
123Machine gun — [ thumb|200px|An illustration of later model 19th century Gatling gun. It was a multi barreled rotary machine gun fired via a manual crank, which mechanically loaded and primed cartridges from the hopper above the gun] : For other uses of the… …
124Shia Islam — Shia redirects here. For other uses, see Shia (disambiguation) …
125Triple point — In thermodynamics, the triple point of a substance is the temperature and pressure at which three phases (for example, gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium.GoldBookRef | title=Triple point |file=T06502… …
126Westphalia — [ Green : Kingdom of Westphalia (1807 1813) Red : Province of Westphalia (1815 1946) Dark grey : North Rhine Westphalia (1946 )] Westphalia ( de. Westfalen IPA| [vɛstˈfaːlən] ) is a region in Germany, centred on the cities of Bielefeld, Bochum,… …
127Heavy metal (chemistry) — A heavy metal is a member of a loosely defined subset of elements that exhibit metallic properties. It mainly includes the transition metals, some metalloids, lanthanides, and actinides. Many different definitions have been proposed some based on …
128Tropopause — The tropopause is in the atmosphere between the troposphere and the stratosphere. Here the air ceases to cool at 56.5°C ( 70°F), and the air becomes almost completely dry.The troposphere is the lowest of the Earth s atmospheric layers and is the… …
