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match

(Encyclopedia)match, small stick whose chemically coated tip bursts into flame when struck on a rough surface. Before the introduction of the match, fire was made by friction methods using the stick and the groove,...

Abadan

(Encyclopedia)Abadan ăbədănˈ, äbädänˈ [key], city, Khuzestan prov., SW Iran, on Abadan Island, in the delta of the Shatt al Arab, at the head of the Persian Gulf. It is the term...

mealybug

(Encyclopedia)mealybug, common name for certain unarmored scale insects that exude a granular white secretion, giving them a mealy appearance. Many are common greenhouse and crop pests. Adult females are wingless, ...

model and modeling

(Encyclopedia)model and modeling, in painting, the use of light and shade to simulate volume in the representation of solids. In sculpture the terms denote a technique involving the use of a pliable material such a...

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...

Wood, John

(Encyclopedia)Wood, John, 1704–1754, English architect, called Wood of Bath. When he went (1727) to Bath from Yorkshire to begin his career as a road surveyor, the city was at its height as a center of fashion. W...

boulder, in geology

(Encyclopedia)boulder, large rock fragment formed by detachment from its parent consolidated rock by weathering and erosion. In engineering and geology, especially in the United States, the term is applied to loose...

Younghusband, Sir Francis Edward

(Encyclopedia)Younghusband, Sir Francis Edward, 1863–1942, British explorer, b. India. He explored Manchuria in 1886. The following year he journeyed from China to India, crossing the Gobi desert and the Mustagh ...

Whiteboys

(Encyclopedia)Whiteboys, members of small illegal, largely Roman Catholic, peasant bands in 18th-century Ireland. First organized (c.1759) in protest against the large-scale enclosure of common lands and other caus...

radiometer

(Encyclopedia)radiometer rāˌdēŏmˈətər [key], instrument for detection or measurement of electromagnetic radiation; the term is applied in particular to devices used to measure infrared radiation. One of the ...
 

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