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Mauna Kea Observatories

(Encyclopedia)Mauna Kea Observatories mouˈnə kāˈə [key], astronomical observatory complex located on Mauna Kea peak, the “white mountain” on the island of Hawaii, at an altitude of more than 13,600 ft (4,1...

Assassin

(Encyclopedia)Assassin əsăsˈĭn [key], European name for the member of a secret order of the Ismaili sect of Islam. They are known as Nizaris after Nizar ibn al-Mustansir, whom they supported as caliph; the Euro...

Auburn

(Encyclopedia)Auburn ôˈbərn [key]. 1 City (2020 pop. 76,143), Lee co., E Ala.; inc. 1839. The city's economy centers around Auburn Univ.; there is some manufacturing. 2 City (2...

Henze, Hans Werner

(Encyclopedia)Henze, Hans Werner häns vĕrˈnər hĕnˈtsə [key], 1926–2012, German composer, b. Gütersloh. Henze was a pupil of Wolfgang Fortner and René Leibowitz. His early works were influenced by Stravin...

Schuller, Gunther Alexander

(Encyclopedia)Schuller, Gunther Alexander, 1925–2015, American composer and conductor, b. Queens, N.Y. He studied French horn and flute, becoming principal hornist with the Cincinnati Symphony (1943–45) and Met...

Barenboim, Daniel

(Encyclopedia)Barenboim, Daniel bârˈənboimˌ [key], 1942–, Israeli pianist and conductor, b. Buenos Aires, Argentina. He made his debut in Buenos Aires at seven. His family settled in Israel in 1952, and he st...

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...

protocol

(Encyclopedia)protocol prōˈtəkŏl [key], term referring to rules governing diplomatic conduct or to a variety of written instruments. Examples of the latter are authenticated minutes of international conferences...

xenon

(Encyclopedia)xenon zēˈnŏn [key] [Gr.,=strange], gaseous chemical element; symbol Xe; at. no. 54; at. wt. 131.293; m.p. −111.9℃; b.p. −107.1℃; density 5.86 grams per liter at STP; valence usually 0. Xeno...

Berio, Luciano

(Encyclopedia)Berio, Luciano lo͞ochäˈnō bĕrˈyō [key], 1925–2003, Italian composer, b. Oneglia. After studying at the Milan Conservatory and working as a coach and conductor in Italian opera houses, Berio w...