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hamster

(Encyclopedia) hamster, Old World rodent, related to the voles, lemmings, and New World mice. There are many hamster species, classified in several genera. All are solitary, burrowing, nocturnal…

kingfisher

(Encyclopedia) kingfisher, common name for members of the family Alcedinidae, essentially tropical and subtropical land birds, related to the bee-eaters, rollers, and todies. Kingfishers have chunky…

bramble

(Encyclopedia) bramble, name for plants of the genus Rubus [Lat.,=red, for the color of the juice]. This complex genus of the family Rosaceae (rose family), with representatives in many parts of the…

African music

(Encyclopedia) African music, the music of the indigenous peoples of Africa. Sub-Saharan African music has as its distinguishing feature a rhythmic complexity common to no other region. Polyrhythmic…

pen

(Encyclopedia) pen, pointed implement used in writing or drawing to apply ink or a similar colored fluid to any surface, such as paper. Various kinds of pens have been used since ancient times. Reeds…

World Council of Churches

(Encyclopedia) World Council of Churches, an international, interdenominational organization of most major Protestant, Anglican, and Eastern Orthodox Christian churches; founded in Amsterdam in 1948…

Central American Federation

(Encyclopedia) Central American Federation or Central American Union, political confederation (1825–38) of the republics of Central America—Costa Rica, Guatemala, Honduras, Nicaragua, and Salvador.…

blue crab

(Encyclopedia) blue crab, common name for a crustacean, Callinectes sapidus, found on the S Atlantic and Gulf coasts of North America. The blue crab is a member of the family of swimming crabs known…

Math Tables and Formulas

  Addition Table Multiplication Table Terms Used in Equations Order of Operations Finding Area Finding Volume Finding Perimeter and Circumference Triangles…

meningitis

(Encyclopedia) meningitismeningitismĕnĭnjīˈtĭs [key] or cerebrospinal meningitiscerebrospinal meningitissĕrˌəbrōspīˈnəl [key], acute inflammation of the meninges, the membranes that cover and protect…