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division, in mathematics
(Encyclopedia) division, fundamental operation in arithmetic; the inverse of multiplication. Division may be indicated by the symbol ÷, as in 15 ÷ 3, or simply by a fraction, 15/3. The number that is…common-ion effect
(Encyclopedia) common-ion effect, decrease in solubility of an ionic salt, i.e., one that dissociates in solution into its ions, caused by the presence in solution of another solute that contains one…convection
(Encyclopedia) convection, mode of heat transfer in fluids (liquids and gases). Convection depends on the fact that, in general, fluids expand when heated and thus undergo a decrease in density (…guardian and ward
(Encyclopedia) guardian and ward, in law. A guardian is someone who by appointment or by relationship has the care of a person or that person's property, or both. The protected individual, known as…bedbug
(Encyclopedia) bedbug, any of the small, blood-sucking bugs of the family Cimicidae, which includes about 30 species distributed throughout the world. Bedbugs are flat-bodied, oval, reddish brown,…Barrow, city, United States
(Encyclopedia) Barrow, city (2020 pop. 4,390), N Alaska; inc. 1958. It is the northernmost (71° 16′ N) U.S. settlement and the trade center of the…siphon
(Encyclopedia) siphonsiphonsīˈfən, –fŏn [key], tube or other enclosed conduit through which a liquid is lifted over an elevation and then emptied at a lower level. The movement of the liquid is…enamelware
(Encyclopedia) enamelware, utensils having a metal foundation and a coating of special glass, called porcelain enamel, applied by fusion. The porcelain enamel, or vitreous enamel, is applied to make…European Investment Bank
(Encyclopedia) European Investment Bank, nonprofit bank created in 1958 by the six founding countries of the European Economic Community (now part of the European Union [EU]). The bank makes or…faro, card game
(Encyclopedia) farofarofârˈō [key] [for Pharaoh, from an old French card design], gambling game played with a pack of 52 cards. First played in France and England, faro was especially popular in U.S…