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Whitney, Eli

(Encyclopedia)Whitney, Eli, 1765–1825, American inventor of the cotton gin, b. Westboro, Mass., grad. Yale, 1792. When he was staying as tutor at Mulberry Grove, the plantation of Mrs. Nathanael Greene, Whitney w...

biathlon

(Encyclopedia)biathlon bīăthˈlŏn [key], sport in which cross-country skiers race across hilly terrain, occasionally stopping to shoot, prone or standing as required, with rifles at sets of fixed targets. The bi...

simony

(Encyclopedia)simony sĭmˈənē [key], in canon law, buying or selling of any spiritual benefit or office. The name is derived from Simon Magus, who tried to buy the gifts of the Holy Spirit from St. Peter (Acts 8...

centripetal force and centrifugal force

(Encyclopedia)CE5 Centripetal and centrifugal forces: When a ball is swung in a circle at the end of a string, centripetal and centrifugal forces act as shown above. centripetal force and centrifugal force, act...

stellar evolution

(Encyclopedia)CE5 The above Hertzsprung-Russell (H-R) diagram shows the track of stellar evolution for a typical star. After spending much of its life evolving toward or along the main sequence, the star becomes...

Dunster, Henry

(Encyclopedia)Dunster, Henry, c.1612–1659, first president of Harvard, b. Lancashire, England, educated at Magdalene College, Cambridge (M.A., 1634). He emigrated to New England in 1640 and was almost at once (Au...

Dawes, Henry Laurens

(Encyclopedia)Dawes, Henry Laurens, 1816–1903, U.S. Senator (1875–93), b. Cummington, Mass. He was U.S. district attorney for W Massachusetts (1853–57) and a Republican member of the House of Representatives ...

Chelsea, city, United States

(Encyclopedia)Chelsea, city (2020 pop. 40,787), Suffolk co., E Mass., an industrial suburb of Boston; settled 1624, inc. as a town 1739, as a city 1857. It has made p...

Framingham State University

(Encyclopedia)Framingham State University, at Framingham, Mass.; chartered 1838, opened 1839 at Lexington, moved to Framingham 1853, a normal school until 1930. Formerly known as the Massachusetts State Teachers Co...

Îsle-aux-Coudres

(Encyclopedia)Îsle-aux-Coudres ēl-ō-ko͞oˈdrə [key], island, c.6 mi (9.7 km) long and 2.5 mi (4 km) wide, in the St. Lawrence River, SE Que., Canada. It was named by Jacques Cartier in 1535 for the hazelnuts g...