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Mesabi

(Encyclopedia)Mesabi məsäbˈē [key], range of low hills, NE Minn., once famous for its extensive iron ore deposits. The ores were found in a belt c.110 mi (180 km) long and from 1 to 3 mi (1.6–4.8 km) wide bet...

mansard roof

(Encyclopedia)CE5 Mansard roof mansard roof mănˈsärd [key], type of roof, so named because it was frequently used by the French architect François Mansart. It was not devised by him but was used early in th...

Martha's Vineyard

(Encyclopedia)Martha's Vineyard vĭnˈyərd [key], island (1990 est. pop. 8,900), c.100 sq mi (260 sq km), SE Mass., separated from the Elizabeth Islands and Cape Cod by Vineyard and Nantucket sounds. As a result o...

Masuria

(Encyclopedia)Masuria məzo͝oˈrēə [key], Ger. Masurenland, Pol. Mazury, region, N Poland. It is a low-lying area covered by large lakes and forests and drained by many small rivers. The original population of t...

Sable Island, Nova Scotia, Canada

(Encyclopedia)Sable Island, low, sandy island, c.25 mi (40 km) long and 1 mi (1.6 km) wide, off N.S., Canada, ESE of Halifax, near the edge of the continental shelf. The crescent-shaped island is the exposed part o...

Ratcliffe, Sir Peter John

(Encyclopedia)Ratcliffe, Sir Peter John, 1954–, British cellular and molecular biologist, M.D., Cambridge, 1987. He has been a researcher at Oxford since 1987. Ratcliffe, along with William Kaelin and Gregg Semen...

short takeoff and landing aircraft

(Encyclopedia)short takeoff and landing aircraft (STOL), heavier-than-air craft, capable of rising from and descending to the ground with only a short length of runway, but incapable of doing so vertically. The pre...

alanine

(Encyclopedia)CE5 alanine ălˈənēnˌ [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer participates in the biosynthesis of proteins (see stereochemi...

cyclopropane

(Encyclopedia)cyclopropane, C3H6, a gaseous hydrocarbon. It is a cyclic alkane, its three carbon atoms being joined together in a ring. The angle between successive carbon-carbon bonds in the ring is only 60°, muc...

Ferrara

(Encyclopedia)Ferrara fār-räˈrä [key], city, capital of Ferrara prov., in Emilia-Romagna, N Italy. It is a ...