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Annapolis Convention

(Encyclopedia)Annapolis Convention, 1786, interstate convention called by Virginia to discuss a uniform regulation of commerce. It met at Annapolis, Md. With only 5 of the 13 states—Delaware, New Jersey, New York...

Mallory, George Herbert Leigh

(Encyclopedia)Mallory, George Herbert Leigh mălˈərē [key], 1886–1924, English mountain climber. After some spectacular ascents in the Alps, he participated in the Everest expeditions of 1921, 1922, and 1924. ...

Williamson, Oliver Eaton

(Encyclopedia)Williamson, Oliver Eaton, 1932–2020, American economist, b. Superior, Wis., Ph.D. Carnegie-Mellon Univ., 1963. He served on the faculties of Univ. of California, Berkeley (1963–65, 1988–2004, em...

thermography

(Encyclopedia)thermography thûrˌmŏgˈrəfē [key], contact photocopying process that produces a direct positive image and in which infrared rays are used to expose the copy paper. In a specially designed machine...

Ulloa, Francisco de

(Encyclopedia)Ulloa, Francisco de ᵺā o͞olyōˈä [key], d. c.1540, Spanish explorer in Mexico. Against the orders of Viceroy Antonio de Mendoza, Hernán Cortés sent Ulloa to explore the Gulf of California. In...

Ajman

(Encyclopedia)Ajman äjmänˈ [key], sheikhdom, c.100 sq mi (260 sq km), part of the federation of seven United Arab Emirates, SE Arabia, primarily on the Persian Gulf. The smallest me...

Clearwater, city, United States

(Encyclopedia)Clearwater, residential and resort city (2020 pop. 117,292), seat of Pinellas co., W central Fla., on the Pinellas peninsula, between Clearwater Bay and...

Issus

(Encyclopedia)Issus ĭsˈəs [key], ancient town of SE Asia Minor, now in Turkey, 5 mi (8 km) NW of Dörtyol. Located near the head of a gulf (the modern Gulf of Iskenderun), Issus was on a narrow strip of land bac...

Darién, region, Panama

(Encyclopedia)Darién dârˌēĕnˈ, Span. däryānˈ [key], eastern part of Panama between the Gulf of Darién on the east and the Gulf of San Miguel on the west. Darién province, heavily forested and sparsely po...

Tennessee-Tombigbee Waterway

(Encyclopedia)Tennessee-Tombigbee Waterway, system of navigation channels, 234 mi (377 km) long, Ala. and Miss., connecting the Tennessee River with the Tombigbee River and, via the Mobile River, with the Gulf of M...