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Oligocene epoch

(Encyclopedia)Oligocene epoch ŏlˈəgōsēnˌ [key], third epoch of the Tertiary period in the Cenozoic era of geologic time, lasting from 38 to 24 million years ago. More of North America was dry land during the ...

kangaroo

(Encyclopedia)kangaroo, name for a variety of hopping marsupials, or pouched mammals, of the family Macropodidae, found in Australia, Tasmania, and New Guinea. The term is applied especially to the large kangaroos ...

Katharine of Aragón

(Encyclopedia)Katharine of Aragón, 1485–1536, first queen consort of Henry VIII of England; daughter of Ferdinand II of Aragón and Isabella of Castile. In 1501 she was married to Arthur, eldest son of Henry VII...

Hobbes, Thomas

(Encyclopedia)Hobbes, Thomas hŏbz [key], 1588–1679, English philosopher, grad. Magdalen College, Oxford, 1608. For many years a tutor in the Cavendish family, Hobbes took great interest in mathematics, physics, ...

glacial periods

(Encyclopedia)glacial periods, times during which large portions of the earth's surface were covered with thick glacial ice sheets. In the Pleistocene epoch, in the Carboniferous and Permian periods of the Paleozoi...

fold

(Encyclopedia)fold, in geology, bent or deformed arrangement of stratified rocks. These rocks may be of sedimentary or volcanic origin. Although stratified rocks are normally deposited on the earth's surface in hor...

Easter Island

(Encyclopedia)Easter Island, Span. Isla de Pascua, Polynesian Rapa Nui, remote island (2020 est. pop. 5,000), 66 sq mi (171 sq km), in the South Pacific, c.2,200 ...

child labor

(Encyclopedia)child labor, use of the young as workers in factories, farms, mines, and other facilities, especially in work that is physically hazardous or morally, socially, or mentally harmful, involves a form of...

Romani

(Encyclopedia)Romani or Romany both: rŏmˈənē, rōˈ– [key], people known historically in English as Gypsies and their language. 1 A traditionally nomadic people with particular folkways and a unique language,...

Pole, English noble family

(Encyclopedia)Pole, English noble family. The first member of importance was William de la Pole, d. 1366, a rich merchant who became the first mayor of Hull (1332) and a baron of the exchequer (1339). His oldest so...