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sneeze gas

(Encyclopedia)sneeze gas, poison gas used in riot control and chemical warfare. It is highly irritating to the nose and throat; inhalation of the substance causes sneezing and coughing, but rarely causes permanent ...

sudoku

(Encyclopedia)sudoku or su doku so͞odōˈko͞o [key] [Jap.,=single number], a number puzzle consisting, in its classic form, of a square divided into nine squares, with each smaller square divided into nine boxes,...

Bancroft, Marie Effie Wilton, Lady

(Encyclopedia)Bancroft, Marie Effie Wilton, Lady, 1839–1921, English actress and manager. She made her debut (1856) at the Lyceum Theatre, London, and in 1865 became joint manager of the Prince of Wales's Theatre...

Chicago Seven

(Encyclopedia)Chicago Seven, group of political activists, originally eight in number, who led protests at the Democratic National Convention in Chicago in 1968 and were charged with criminal conspiracy and incitem...

Boito, Arrigo

(Encyclopedia)Boito, Arrigo ärrēˈgo bôˈētō [key], 1842–1918, Italian composer and librettist. His opera Mefistofele (1868, rev. 1875), influenced by Wagner's music-drama, helped to bring about a new dramat...

area

(Encyclopedia)CE5 area, measure of the size of a surface region, usually expressed in units that are the square of linear units, e.g., square feet or square meters. In elementary geometry, formulas for the areas...

CS, chemical compound

(Encyclopedia)CS, chemical compound (orthochlorobenzalmalonitrile) used in riot control and, by the military, as a harassing agent. The compound is dispersed as an aerosol or as a finely divided powder. Exposure to...

Porteous, John

(Encyclopedia)Porteous, John pôrˈtēəs [key], d. 1736, British soldier. He was captain of the Edinburgh town guard at the execution (1736) of Andrew Wilson, a smuggler. When the crowd, which was sympathetic to W...

acre, measure of land area

(Encyclopedia)acre, measure of land area used in the English units of measurement. The acre was originally the area a yoke of oxen could plow in a day and therefore differed in size from one locality to another. It...

Betterton, Thomas

(Encyclopedia)Betterton, Thomas bĕtˈərtən [key], 1635?–1710, English actor and manager. He joined Sir William D'Avenant's company at Lincoln's Inn Fields theater in 1661 and became the leading actor of the Re...