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McLennan, Sir John Cunningham

(Encyclopedia)McLennan, Sir John Cunningham, 1867–1935, Canadian physicist, grad. Univ. of Toronto (B.A., 1892; Ph.D., 1900). He taught at the Univ. of Toronto from 1892 to 1932, was professor of physics from 190...

marl, type of soil

(Encyclopedia)marl or bog lime, soil, essentially clay mixed with carbonate of lime, highly valued as a dressing or fertilizer. It crumbles rapidly and easily. Marl in which the lime is in the form of invertebrate ...

Chesapeake Bay Bridge-Tunnel

(Encyclopedia)Chesapeake Bay Bridge-Tunnel, officially the Lucius J. Kellam, Jr. Bridge-Tunnel, 17.6 mi (28.2 km) long, across the mouth of Chesapeake Bay, E Va., connecting Cape Charles with Norfolk, Va. Opened in...

Catanzaro

(Encyclopedia)Catanzaro kätändzäˈrō [key], city, capital of Catanzaro prov. and of Calabria, S Italy, on a ...

bass, in music

(Encyclopedia)bass bās [key], in musical harmony, the part of lowest pitch. The term is used for the lowest-pitched male voice and for instruments of low pitch, such as bass clarinet, bass drum, bassoon (bass oboe...

Arbuckle Mountains

(Encyclopedia)Arbuckle Mountains ärˈbŭkəl [key], range of low, rolling hills, rising c.700 ft (210 m) above the prairie, S Okla.; remnant of mountains formed in the Precambrian. Interesting geological formation...

Morley, Henry

(Encyclopedia)Morley, Henry, 1822–94, English man of letters. In 1850 he closed his successful school to assist Dickens in editing Household Words. After that he combined an editorial with an academic career, tea...

Lolland

(Encyclopedia)Lolland or Laaland both: lôˈlän [key], island (1992 pop. 72,536), 479 sq mi (1,241 sq km), SE Denmark, in the Baltic Sea, E of Langeland, S of Sjælland, and W of Falster. The island is low-lying a...

Marajó

(Encyclopedia)Marajó mərəzhôˈ [key], island, c.150 mi (240 km) long and c.100 mi (160 km) wide, N Brazil, at the mouth of the Amazon River. It divides the river into the Amazon proper and the Pará. Cattle are...

Heart, river, United States

(Encyclopedia)Heart, river, 180 mi (290 km) long, rising in the low prairie country near the Little Missouri River, SW N.Dak., and flowing E to the Missouri at Mandan, N.Dak. The Heart Butte and Dickinson dams, irr...