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Boolean algebra

(Encyclopedia)Boolean algebra bo͞oˈlēən [key], an abstract mathematical system primarily used in computer science and in expressing the relationships between sets (groups of objects or concepts). The notational...

Bishop, Elizabeth

(Encyclopedia)Bishop, Elizabeth, 1911–79, American poet, b. Worcester, Mass., grad. Vassar, 1934. During the 1950s and 60s she lived in Brazil, eventually returning to her native New England, where she taught at ...

wool

(Encyclopedia)wool, fiber made from the fleece of the domestic sheep. In the United States, by the Wool Products Labeling Act of 1939, the term wool may be applied only to fabrics made entirely of new wool; t...

Flanders

(Encyclopedia)Flanders flănˈdərz [key], former county in the Low Countries, extending along the North Sea and W of the Scheldt (Escaut) River. It is divided among East Flanders and West Flanders provs., Belgium;...

set, in mathematics

(Encyclopedia)CE5 Union and intersection of sets A and B: The union of A and B, A∪B, contains all members belonging to either A or B. The intersection of A and B, A∩B, contains all members common to both A a...

still life

(Encyclopedia)still life, a pictorial representation of inanimate objects. The term derives from the 17th-century Dutch still-leven, meaning a motionless natural object or objects. In East Asia still-life subj...

exposition

(Encyclopedia)exposition or exhibition, term frequently applied to an organized public fair or display of industrial and artistic productions, designed usually to promote trade and to reflect cultural progress. Exp...

hall

(Encyclopedia)hall, a communicating passageway or, in medieval buildings, the large main room. In the feudal castle of N Europe it was a single apartment, and in it lord and retainers lounged, ate, and slept. From ...

jute

(Encyclopedia)jute jo͞ot [key], name for any plant of the genus Corchorus, tropical annuals of the family Tiliaceae (linden family), and for its fiber. Many species yield fiber, but the chief sources of commercial...

Margaret of Austria

(Encyclopedia)Margaret of Austria, 1480–1530, Hapsburg princess, regent of the Netherlands; daughter of Emperor Maximilian I. She was betrothed (1483) to the dauphin of France, later King Charles VIII, and was tr...