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pitchblende

(Encyclopedia)pitchblende pĭchˈblĕndˌ [key], dark, lustrous, heavy mineral, a source of radium and uranium. Largely natural uranium oxides, triuranium octaoxide (U3O8) and uranium dioxide (UO2), it usually cont...

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...

Gobi

(Encyclopedia)Gobi gōˈbē [key], Mandarin Yintai shamo, great stony desert of N central Asia, c.500,000 sq mi (1,295,000 sq km), extending c.1,000 mi (1,610 km) from east to west across SE Mongolia and N China fr...

Cleveland, cities, United States

(Encyclopedia)Cleveland. 1 City (2020 pop. 372,674), seat of Cuyahoga co., NE Ohio, on Lake Erie at the mouth of the Cuyahoga River; laid out (1796) by Moses ...

Peterborough, city, Canada

(Encyclopedia)Peterborough, city (1991 pop. 68,371), SE Ont., Canada, NE of Toronto. It is at the falls of the Otonabee River, which connects, through the Trent Canal, with lakes Ontario and Huron. Settled early in...

Michigan, University of

(Encyclopedia)Michigan, University of, main campus at Ann Arbor; state supported; coeducational; chartered 1817 at Detroit as the Catholepistemiad, or Univ., of Michigania, rechartered 1821 (as Univ. of Mich.) and ...

Green Bay, city, United States

(Encyclopedia)Green Bay, city (2020 pop. 107,395), seat of Brown co., NE Wis., at the mouth of the Fox River on Green Bay; inc. 1854. An important Great Lakes harbor,...

Iowa, indigenous people of North America

(Encyclopedia)Iowa īˈəwə, –wāˌ [key], Native North Americans whose language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native American languages); also called the Ioway. They, wi...

southern tick-associated rash illness

(Encyclopedia)southern tick-associated rash illness (STARI) or Masters disease, illness characterized by a Lyme disease–like rash that is associated with bite from the Lone Star tick (Amblyomma americanum) rather...

Brulé, Étienne

(Encyclopedia)Brulé, Étienne ātyĕnˈ brülāˈ [key], c.1592–1632, French explorer in North America. He arrived (1608) in the New World with Samuel de Champlain, who sent him (1610) into the wilderness to lea...