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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...

complex variable analysis

(Encyclopedia)complex variable analysis, branch of mathematics that deals with the calculus of functions of a complex variable, i.e., a variable of the form z=x+iy, where x and y are real and i=−1 (see number). A...

Copenhagen

(Encyclopedia)Copenhagen köˌbənhounˈ [key], city (2021 pop. 799,033), capital of Denmark and of Copenhagen co., ...

costume

(Encyclopedia)costume, distinctive forms of clothing, including official or ceremonial attire such as ecclesiastical vestments, coronation robes, academic gowns, armor, and theatrical dress. The use of ornament pre...

tracery

(Encyclopedia)CE5 Types of tracery tracery, bands or bars of stone, wood, or other material, either subdividing an opening or standing in relief against a wall and forming an ornamental pattern of solid members...

Decatur

(Encyclopedia)Decatur. 1 City (2020 pop. 57,938), seat of Morgan co., N Ala., on the Tennessee River; inc. 1826. It has shipyards, port traffic, and diverse ...

window

(Encyclopedia)window, in architecture, the casement or sash, fitted with glass, which closes an opening in the wall of a structure without excluding light and air. It may have a square, round, or pointed head; may ...

World Heritage Site

(Encyclopedia)World Heritage Site, a place of cultural or natural importance listed on the United Nations Educational, Scientific, and Cultural Organization (UNESCO) World Heritage List. The sites, some natural, so...

Michelangelo Buonarroti

(Encyclopedia)Michelangelo Buonarroti mīkəlănˈjəlō, Ital. mēkālänˈjālō bwōnär-rôˈtē [key], 1475–1564, Italian sculptor, painter, architect, and poet, b. Caprese, Tuscany. In his architectura...

English units of measurement

(Encyclopedia)English units of measurement, principal system of weights and measures used in a few nations, the only major industrial one being the United States. It actually consists of two related systems—the U...