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Protocols of the Elders of Zion

(Encyclopedia)Protocols of the Elders of Zion, a fraudulent document that reported the alleged proceedings of a conference of Jews in the late 19th cent., at which they discussed plans to overthrow Christianity thr...

ultrasonics

(Encyclopedia)ultrasonics, study and application of the energy of sound waves vibrating at frequencies greater than 20,000 cycles per second, i.e., beyond the range of human hearing. The application of sound energy...

Gladstone, William Ewart

(Encyclopedia)Gladstone, William Ewart, 1809–98, British statesman, the dominant personality of the Liberal party from 1868 until 1894. A great orator and a master of finance, he was deeply religious and brought ...

theory

(Encyclopedia)theory, in music, discipline involving the construction of cognitive systems to be used as a tool for comprehending musical compositions. The discipline is subdivided into what can be called speculati...

candidiasis

(Encyclopedia)candidiasis kănˌdĭdīˈəsĭs [key], infection caused by fungi of the genus Candida; also called moniliasis after a former name of the genus. The most common forms of candidiasis, caused by C. albi...

loudspeaker

(Encyclopedia)CE5 Electrodynamic loudspeaker loudspeaker or speaker, device used to convert electrical energy into sound. It consists essentially of a thin flexible sheet called a diaphragm that is made to vibr...

sorghum

(Encyclopedia)sorghum, tall, coarse annual (Sorghum bicolor) of the family Poaceae (grass family), somewhat similar in appearance to corn (but having the grain in a panicle rather than an ear) and used for much the...

Thatcher, Margaret Hilda Roberts Thatcher, Baroness

(Encyclopedia)Thatcher, Margaret Hilda Roberts Thatcher, Baroness, 1925–2013, British political leader. Great Britain's first woman prime minister, nicknamed the “Iron Lady” for her uncompromising political s...

Eleanor of Aquitaine

(Encyclopedia)Eleanor of Aquitaine ăkwĭtānˈ, ăkˈwĭtān [key], 1122?–1204, queen consort first of Louis VII of France and then of Henry II of England. Daughter and heiress of William X, duke of Aquitaine, s...

Eleanor of Castile

(Encyclopedia)Eleanor of Castile kăstēlˈ [key], d.1290, queen consort of Edward I of England and daughter of Ferdinand III of Castile. At her marriage (1254) she brought to Prince Edward the territories of Ponth...