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Cambrian period

(Encyclopedia)Cambrian period [Lat. Cambria=Wales], first period of the Paleozoic geologic era (see Geologic Timescale, tablegeologic timescale, table) extending from approximately 570 to 505 million years ago. It ...

Devonian period

(Encyclopedia)Devonian period dĭvōˈnēən [key], fourth period of the Paleozoic era of geologic time between 408 and 360 million years ago (see Geologic Timescale, tablegeologic timescale, table). It was named (...

Sistine Chapel

(Encyclopedia)Sistine Chapel sĭsˈtēn [key] [for Sixtus IV], private chapel of the popes in Rome, one of the principal glories of the Vatican. Built (1473) under Pope Sixtus IV, it is famous for its decorations. ...

Grosseteste, Robert

(Encyclopedia)Grosseteste, Robert grōsˈtĕst [key], c.1175–1253, English prelate. Educated at Oxford and probably also at Paris, he became one of the most learned men of his time. He taught at Oxford and later,...

Mahfouz, Naguib

(Encyclopedia)Mahfouz, Naguib nəgēbˈ mäkhfo͞osˈ [key], 1911–2006, Egyptian novelist and short-story writer, b. Cairo. After his graduation (1934) from Cairo Univ., he worked in various government ministries...

Celt

(Encyclopedia)Celt kĕlt [key]. 1 One who speaks a Celtic language or who derives ancestry from an area where a Celtic language was spoken; i.e., one from Ireland, the Scottish Hebrides and Highlands, the Isle of M...

rent

(Encyclopedia)rent, in law, periodic payment by a tenant for the use of another's property. In economics, its meaning is more complex, but since the word rent means any income or yield from an object capable of pro...

Curtis, Edward Sheriff

(Encyclopedia)Curtis, Edward Sheriff, 1868–1952, American photographer and pioneer ethnographer known for his documentation of Native Americans, b. near Whitewater, Wis. Curtis was obsessed with photography from ...

Eliot, George

(Encyclopedia)Eliot, George, pseud. of Mary Ann or Marian Evans, 1819–80, English novelist, b. Arbury, Warwickshire. One of the great English novelists, she was reared in a strict atmosphere of evangelical Protes...

heredity

(Encyclopedia)heredity, transmission from generation to generation through the process of reproduction in plants and animals of factors which cause the offspring to resemble their parents. That like begets like has...