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Saint Thomas, city, Canada

(Encyclopedia)Saint Thomas, city (1991 pop. 29,990), S Ont., Canada, S of London. Originally the center for a rich agricultural area, it became a rail and manufacturing center beginning in the late 1800s. Motor veh...

Sankara, Thomas Isidore Noël

(Encyclopedia)Sankara, Thomas 1948–87, president (1983–87) of Burkina Faso. Thomas Sankara, sometimes referred to as the African Che Guevara, was an activist, mil...

Skara Brae

(Encyclopedia)Skara Brae skârˈə brā [key], Stone Age village, on Mainland in the Orkney Islands, N Scotland. Dating from c.3200 to 2200 b.c., the village was preserved under a sand dune until uncovered by a sto...

flint, mineral

(Encyclopedia)flint, variety of quartz that commonly occurs in rounded nodules and whose crystal structure is not visible to the naked eye. Flint is dark gray, smoky brown, or black in color; pale gray flint is cal...

whetstone

(Encyclopedia)whetstone, natural or manufactured stone used as an abrasive solid to sharpen tools. It is used dry, with water, or with oil. Such a stone of the finer grade used with oil is usually called an oilston...

megalithic monument

(Encyclopedia)megalithic monument mĕgəlĭthˈĭk [key] [Gr.,=large stone], in archaeology, a construction involving one or several roughly hewn stone slabs of great size; it is usually of prehistoric antiquity. T...

Rosetta

(Encyclopedia)Rosetta räshēdˈ [key], city (1986 pop. 51,789), N Egypt, in the Nile River delta. The city once dominated the region's rice market; rice milling and fish processing are the main industries of moder...

Eben-ezer

(Encyclopedia)Eben-ezer ĕbˈən-ēˈzər [key] [Heb.,=stone of help], in the Bible. 1 Stone set up (near Shen) by Samuel to commemorate the victory over the Philistines. 2 Site of the battle where the Philistines ...

Blackwell, Henry Brown

(Encyclopedia)Blackwell, Henry Brown, 1825–1909, American reformer, b. Bristol, England; brother of Elizabeth Blackwell. He was an abolitionist and later, with his wife, Lucy Stone, a worker for woman suffrage. ...

Riemenschneider, Tilman

(Encyclopedia)Riemenschneider, Tilman tĭlˈmän rēˈmənshnīˌdər [key], c.1460–1531, German Renaissance sculptor, who worked in stone and wood. He was in Würzburg by 1483. In 1520 he was made burgomaster, b...