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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 ...

Gibbons, James

(Encyclopedia)Gibbons, James, 1834–1921, American churchman, cardinal of the Roman Catholic church, b. Baltimore. Ordained in 1861, he became secretary to the archbishop of Baltimore in 1865, vicar apostolic of N...

Kalb, Johann

(Encyclopedia)Kalb, Johann Ger. yōˈhän kälp [key], 1721–80, American general in the Revolution, known generally as Baron de Kalb, b. Hüttendorf, Germany. He assumed his title for military reasons and as Jean...

bittersweet

(Encyclopedia)bittersweet, name for two unrelated plants, belonging to different families, both fall-fruiting woody vines sometimes cultivated for their decorative scarlet berries. One, called also woody nightshade...

Smith, Dean Edwards

(Encyclopedia)Smith, Dean Edwards, 1931–2015, American college basketball coach, b. Emporia, Kans. After playing basketball at the Univ. of Kansas (grad. 1953), Smith joined (1954) the Air Force and became an ass...

pimento

(Encyclopedia)pimento or allspice, common names for a tree (Pimenta dioica or P. officinalis) of the family Myrtaceae (myrtle family) cultivated in the West Indies for its dried unripe berries, used medicinally and...

integration

(Encyclopedia)integration, in U.S. history, the goal of an organized movement to break down the barriers of discrimination and segregation separating African Americans from the rest of American society. Racial segr...

Durham, city, United States

(Encyclopedia)Durham dûrˈăm [key], city (2020 pop. 324,833), seat of Durham co., N central N.C., in the ...

china clay

(Encyclopedia)china clay, one of the purest of the clays, composed chiefly of the mineral kaolinite usually formed when granite is changed by hydrothermal metamorphism. Usage of the terms china clay and kaolin is n...

graphite

(Encyclopedia)graphite grăfˈīt [key], an allotropic form of carbon, known also as plumbago and black lead. It is dark gray or black, crystalline (often in the form of slippery scales), greasy, and soft, with a m...