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pressure-treated wood

(Encyclopedia) pressure-treated wood, wood that has had a liquid preservative forced into it in order to protect against deterioration due to rot or insect attack. The most commonly used…

Backus, John Warner

(Encyclopedia) Backus, John Warner, 1924–2007, American computer scientist, b. Philadelphia, grad. Columbia (M.A. 1950). Trained as a mathematician, he was hired (1950) by IBM Corp. as a computer…

note, in music

(Encyclopedia) note, in musical notation, symbol placed on or between the lines of a staff to indicate the pitch and the relative duration of the tone to be produced by voice or instrument. The…

squinch

(Encyclopedia) CE5 Squinch squinch, in architecture, a piece of construction used for filling in the upper angles of a square room so as to form a proper base to receive an octagonal or spherical…

Diwali

(Encyclopedia) Diwali, the festival of lights, celebrated by Hindus, Jains, and Sikhs; one of the most popular holidays in South Asia. Extending over five days, it marks the beginning of the new year…

figurehead

(Encyclopedia) figurehead, carved decoration usually representing a head or figure placed under the bowsprit of a ship. The art is of extreme antiquity. Ancient galleys and triremes carried rostrums…

cockfighting

(Encyclopedia) cockfighting, sport of pitting gamecocks against one other. Though popular in ancient Greece, Persia, and Rome, cockfighting has been long opposed by clergy and humane groups.…

Greenough, Horatio

(Encyclopedia) Greenough, HoratioGreenough, Horatiogrēˈnō [key], 1805–52, American sculptor and writer, b. Boston, grad. Harvard, 1824, and studied in Italy under Thorvaldsen. A protégé of Washington…

turn and bank indicator

(Encyclopedia) turn and bank indicator, aircraft instrument containing one indicator to show turning, or rotation about the vertical axis, and another to show banking, or rotation about the…

bull terrier

(Encyclopedia) bull terrier, breed of large, muscular terrier originating in England around 1835. It stands from 19 to 22 in. (48.3–55.9 cm) high at the shoulder and weighs from 30 to 36 lb (13.6–16.…