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seal, in zoology

(Encyclopedia)seal, carnivorous aquatic mammal with front and hind feet modified as flippers, or fin-feet. The name seal is sometimes applied broadly to any of the fin-footed mammals, or pinnipeds, including the wa...

turtle

(Encyclopedia)turtle, a reptile of the order Chelonia, with strong, beaked, toothless jaws and, usually, an armorlike shell. The shell normally consists of bony plates overlaid with horny shields. The upper portion...

Florence, city, Italy

(Encyclopedia)Florence flôrˈəns, flŏrˈ– [key], Ital. Firenze, city (2021 est. metro area pop.709,064...

manorial system

(Encyclopedia)manorial system sēnyôrˈēəl [key], economic and social system of medieval Europe under which peasants' land tenure and production were regulated, and local justice and taxation were administered. ...

endangered species

(Encyclopedia)endangered species, any plant or animal species whose ability to survive and reproduce has been jeopardized by human activities. In 1999 the U.S. government, in accordance with the U.S. Endangered Spe...

Cretaceous period

(Encyclopedia)Cretaceous period krĭtāˈshəs [key], third and last period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from approximately 144 to 65 millio...

Saxony

(Encyclopedia)Saxony săkˈsənē [key], Ger. Sachsen, Fr. Saxe, state (1994 pop. 4,901,000), 7,078 sq mi (18,337 sq km), E central Germany. Dresden is the capital. In its current form, Saxony is a federal state of...

Silesia

(Encyclopedia)Silesia sĭlēˈzhə, –shə, sī– [key], Czech Slezsko, Ger. Schlesien, Pol. Śląsk, region of E central Europe, extending along both banks of the Oder River and bounded in the south by the mount...

Napoleon III

(Encyclopedia)Napoleon III (Louis Napoleon Bonaparte), 1808–73, emperor of the French (1852–70), son of Louis Bonaparte (see under Bonaparte, family), king of Holland. Napoleon III was a complex figure. H...

global warming

(Encyclopedia)global warming, the gradual increase of the temperature of the earth's lower atmosphere as a result of the increase in greenhouse gases since the Industrial Revolution. Global warming and its effects,...