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Prairie Pothole Region

(Encyclopedia)Prairie Pothole Region, large geographic area of central North America consisting of grass-covered wetlands. Stretching northwest from N Iowa through SW Minnesota, E South Dakota, E and N North Dakota...

shaft sinking

(Encyclopedia)shaft sinking, excavation from the surface of an opening in the earth. Shafts, which are generally vertical, are usually distinguished from tunnels, which are horizontal. Little difficulty is experien...

hexameter

(Encyclopedia)hexameter hĕksămˈətər [key] [Gr.,=measure of six], in prosody, a line to be scanned in six feet (see versification). The most celebrated hexameter measure is dactylic, which was the meter for mos...

Northwest Territory

(Encyclopedia)CE5 Northwest Territory Northwest Territory, first possession of the United States, comprising the region known as the Old Northwest, S and W of the Great Lakes, NW of the Ohio River, and E of the...

chestnut

(Encyclopedia)chestnut, name for any species of the genus Castanea, deciduous trees of the family Fagaceae (beech or oak family) widely distributed in the Northern Hemisphere. They are characterized by thin-shelled...

Essex, Robert Devereux, 3d earl of

(Encyclopedia)Essex, Robert Devereux, 3d earl of, 1591–1646, English parliamentary general; son of Robert Devereux, 2d earl of Essex. James I restored him (1604) to the estates of his father and arranged his marr...

Aphrodite

(Encyclopedia)Aphrodite ăfrədīˈtē [key], in Greek religion and mythology, goddess of fertility, love, and beauty. Homer designated her the child of Zeus and Dione. Hesiod's account of her birth is more popular...

Great Dismal Swamp

(Encyclopedia)Great Dismal Swamp, SE Va. and NE N.C. With dense forests and tangled undergrowth, the wetlands are a favorite site for sportsmen and naturalists. It once may have covered nearly 2,200 sq mi (5,700 sq...

Achilles

(Encyclopedia)Achilles əkĭlˈēz [key], in Greek mythology, foremost Greek hero of the Trojan War, son of Peleus and Thetis. He was a formidable warrior, possessing fierce and uncontrollable anger. Thetis, knowin...

Leo III, Byzantine emperor

(Encyclopedia)Leo III (Leo the Isaurian or Leo the Syrian), c.680–741, Byzantine emperor (717–41). He was probably born in N Syria (rather than in Isauria, as once thought). He held diplomatic and military post...