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husband and wife

(Encyclopedia)husband and wife, the legal aspects of the married state (for the sociological aspects, see marriage). The former Anglo-American law of marriage was chiefly characterized by the view that husband an...

tar and pitch

(Encyclopedia)tar and pitch, viscous, dark-brown to black substances obtained by the destructive distillation of coal, wood, petroleum, peat, and certain other organic materials. The heating or partial burning of w...

fraternity and sorority

(Encyclopedia)fraternity and sorority, in American colleges, a student society formed for social purposes, into which members are initiated by invitation and occasionally by a period of trial known as hazing. Frate...

lock and key

(Encyclopedia)lock and key, fastening fitted to an entryway, such as a gate or door, or a container, such as a cabinet, drawer or safe, to keep it closed and/or prevent unauthorized access or use. Locks typically c...

weights and measures

(Encyclopedia)CE5 weights and measures, units and standards for expressing the amount of some quantity, such as length, capacity, or weight; the science of measurement standards and methods is known as metrology...

Byzantine art and architecture

(Encyclopedia)Byzantine art and architecture, works of art and structures works produced in the city of Byzantium after Constantine made it the capital of the Roman Empire (a.d. 330) and the work done under Byzanti...

extroversion and introversion

(Encyclopedia)extroversion and introversion, terms introduced into psychology by Carl Jung to identify opposite psychological types. Jung saw the activity of the extrovert directed toward the external world and tha...

Bosnia and Herzegovina

(Encyclopedia)CE5 Bosnia and Herzegovina bŏzˈnēə, hĕrtsəgōvēˈnə [key], Serbo-Croatian ...

Uralic and Altaic languages

(Encyclopedia)Uralic and Altaic languages yo͝orălˈĭk, ăltāˈĭk [key], two groups of related languages thought by many scholars to form a single Ural-Altaic linguistic family. However, other authorities hold ...

earth, in geology and astronomy

(Encyclopedia)CE5 A. Cross section of the earth, showing its shells B. Detailed cross section of the crust and upper mantle: The lithosphere consists of the hard rock in the crust and upper mantle, lying above t...