Useful english dictionary. 2012.

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  • nonrechargeable — adj. * * * …   Universalium

  • nonrechargeable — non re•charge′a•ble adj …   From formal English to slang

  • Flashlight — A flashlight (also called an electric torch or torch) is a portable electric spotlight which emits light from a small incandescent lightbulb, or from one or more light emitting diodes (LEDs). The light source is mounted in a housing which… …   Wikipedia

  • Primary cell — A primary cell is any kind of battery in which the electrochemical reaction is not reversible, rendering the cell non rechargeable. A common example of a primary cell is the disposable battery. Unlike a secondary cell, the reaction cannot be… …   Wikipedia

  • Battery (vacuum tube) — In electronics, vacuum tubes were traditionally powered by batteries. Each battery had a different designation depending on which vacuum tube element it was associated with.Initially, the only such device was a diode with only a filament… …   Wikipedia

  • Samuel Ruben — (14 July, 1900 16 July, 1988) was an inventor who made lasting contributions to electrochemistry and solid state technology, including the founding of Duracell.Early lifeSamuel Ruben got his start in electronics when he became a licensed ham… …   Wikipedia

  • lithium — /lith ee euhm/, n. 1. Chem. a soft, silver white metallic element, the lightest of all metals, occurring combined in certain minerals. Symbol: Li; at. wt.: 6.939; at. no.: 3; sp. gr.: 0.53 at 20°C. 2. Pharm. the substance in its carbonate or… …   Universalium

  • Samuel Ruben (inventeur) — Pour les articles homonymes, voir Samuel Ruben. Samuel Ruben (14 juillet 1900 16 juillet 1988) était un inventeur américain qui s est distingué en électrochimie et en physique de l état solide. Il est de plus le fondateur de Duracell. Sommaire 1… …   Wikipédia en Français

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