porous pot

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• Pot-in-pot refrigerator — The pot in pot refrigerator, also known as a Zeer الزير in Arabic, is a refrigeration device which keeps food cool without electricity by using evaporative cooling. A porous outer earthenware pot, lined with wet sand, contains an inner pot (which …   Wikipedia

• Clay pot cooking — Clay pot Rice With Swamp Eel Clay pot cooking is a technique of cooking food in an unglazed clay pot which has been soaked in water so as to release steam during the cooking process. This technique has a long history, stretching back at least to… …   Wikipedia

• refractory pot — noun a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead • Syn: ↑bone ash cup, ↑cupel • Hypernyms: ↑vessel …   Useful english dictionary

• Daniell cell — Daniell cells, 1836. The Daniell cell (var. sp. Daniel cell) was invented in 1836 by John Frederic Daniell, a British chemist and meteorologist, and consisted of a copper pot filled with a copper sulfate solution, in which was immersed an… …   Wikipedia

• Leclanché cell — Georges Leclanché invented and patented in 1866 his battery, the Leclanché cell. It contained a conducting solution (electrolyte) of ammonium chloride, a cathode (positive terminal) of carbon, a depolarizer of manganese dioxide, and an anode… …   Wikipedia

• History of electrochemistry — Electrochemistry, a branch of chemistry, went through several changes during its evolution from early principles related to magnets in the early 16th and 17th centuries, to complex theories involving conductivity, electrical charge and… …   Wikipedia

• Dry cell — A dry cell is a galvanic electrochemical cell with a pasty low moisture electrolyte. A wet cell, on the other hand, is a cell with a liquid electrolyte, such as the lead acid batteries in most cars.While a dry cell s electrolyte is not truly… …   Wikipedia

• Nicholas Callan — Born 22 December 1799 Darver, Co. Louth, Ireland …   Wikipedia

• Chromic acid cell — The Chromic acid cell was a type of primary cell which used chromic acid as a depolarizer. The chromic acid was usually made by acidifying (with sulfuric acid) a solution of potassium dichromate. The old name for potassium dichromate was… …   Wikipedia

• battery — /bat euh ree/, n., pl. batteries. 1. Elect. a. Also called galvanic battery, voltaic battery. a combination of two or more cells electrically connected to work together to produce electric energy. b. cell (def. 7a). 2. any large group or series… …   Universalium

• Battery — /bat euh ree/, n. The, a park at the S end of Manhattan, in New York City. Also called Battery Park. * * * Any of a class of devices, consisting of a group of electrochemical cells (see electrochemistry), that convert chemical energy into… …   Universalium