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Potawatomi

(Encyclopedia) PotawatomiPotawatomipŏtˌəwŏtˈəmē [key], Native North Americans whose language belongs to the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American…

Persian language

(Encyclopedia) Persian language, member of the Iranian group of the Indo-Iranian subfamily of the Indo-European family of languages (see Indo-Iranian languages). The official language of Iran, it has…

era

(Encyclopedia) era, period of historic time. In geology, it is the name applied to large divisions of geological process, e.g., Paleozoic era (see geology). In chronology an era is a period reckoned…

connective tissue

(Encyclopedia) connective tissue, supportive tissue widely distributed in the body, characterized by large amounts of intercellular substance and relatively few cells. The intercellular material, or…

amplifier

(Encyclopedia) amplifier, device that accepts a varying input signal and produces an output signal that varies in the same way as the input but has a larger amplitude. The input signal may be a…

Guiana Highlands

(Encyclopedia) Guiana Highlands, mountainous tableland, c.1,200 mi (1,930 km) long and from 200 to 600 mi (322–966 km) wide, N South America, bounded by the Orinoco and Amazon river basins, and by…

caravan

(Encyclopedia) caravan, group of travelers or merchants banded together and organized for mutual assistance and defense while traveling through unsettled or hostile country. Caravan trade is…

Bratianu

(Encyclopedia) BratianuBratianubrətĭäˈn&oomacr; [key] or BratianoBratiano–nô [key], Romanian family. Ion Bratianu, 1821–91, was prominent in the Revolution of 1848 and helped to secure (1866) the…

tree shrew

(Encyclopedia) tree shrew, small, arboreal mammal of the family Tupaiidae, found in S Asia. The 17 known species of tree shrews are classified as the order Tupaioidea or Scandentia. Tree shrews…

dating

(Encyclopedia) dating, the determination of the age of an object, of a natural phenomenon, or of a series of events. There are two basic types of dating methods, relative and absolute. In relative…