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oganesson

(Encyclopedia)oganesson ōˈgənĕsˌən [key], artificially produced radioactive chemical element; symbol Og; at. no. 118; mass number of most stable isotope 294; m.p., b.p., sp. gr., and valence unknown. Situated...

Drogheda

(Encyclopedia)Drogheda drôˈədə, droiˈdə [key], town, Co. Louth, E central Republic of Ireland, on the Boyne River. ...

Columba, Saint

(Encyclopedia)Columba, Saint kŏlˈəmkĭlˌ [key] [Irish,=dove of the church], 521–97, Irish missionary to Scotland, called the Apostle of Caledonia. A prince of the O'Donnells of Donegal, he was educated at Mov...

Lowell, Amy

(Encyclopedia)Lowell, Amy, 1874–1925, American poet, biographer, and critic, b. Brookline, Mass., privately educated; sister of Percival Lowell and Abbott Lawrence Lowell. In 1912 she published A Dome of Many-Col...

Laban, Rudolf von

(Encyclopedia)Laban, Rudolf von fôn läbˈän [key], 1879–1958, Slovakian dancer, choreographer, and dance theorist. After studying in Paris and performing in N Africa, Germany, and Austria, he founded (1910) a ...

Leavis, F. R.

(Encyclopedia)Leavis, F. R. (Frank Raymond Leavis) lēˈvĭs [key], 1895–1978, English critic and teacher. Leavis was one of the most influential literary critics of the 20th cent. A formidable controversialist, ...

Paul, Les

(Encyclopedia)Paul, Les, 1915–2009, American guitarist and inventor, b. Waukesha, Wis., as Lester William Polsfuss (later Polfuss). He began playing country music a...

X-ray crystallography

(Encyclopedia)X-ray crystallography, the study of crystal structures through X-ray diffraction techniques. When an X-ray beam bombards a crystalline lattice in a given orientation, the beam is scattered in a defini...

Wolfe, James

(Encyclopedia)Wolfe, James, 1727–59, British soldier. After a distinguished record in European campaigns, he was made (1758) second in command to Jeffery Amherst in the last of the French and Indian Wars. Through...

Oswego, city, United States

(Encyclopedia)Oswego ŏswēˈgō [key], city (1990 pop. 19,195), seat of Oswego co., N central N.Y., on Lake Ontario and the Oswego River; founded 1722, inc. as a city 1848. The largest U.S. port on Lake Ontario, i...