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solid-state physics

(Encyclopedia)solid-state physics, study of the properties of bulk matter rather than those of the individual particles that compose it. Solid-state physics is concerned with the properties exhibited by atoms and m...

Rocky Mountains

(Encyclopedia)Rocky Mountains, major mountain system of W North America and easternmost belt of the North American cordillera, extending more than 3,000 mi (4,800 km) from central N.Mex. to NW Alaska; Mt. Elbert (1...

Langdell, Christopher Columbus

(Encyclopedia)Langdell, Christopher Columbus lăngˈdəl [key], 1826–1906, American teacher of law, b. New Boston, N.H. He practiced in New York City from 1854 to 1870, when he was appointed Dane professor of law...

Mach, Ernst

(Encyclopedia)Mach, Ernst ĕrnst mäkh [key], 1838–1916, Austrian physicist and philosopher, b. Moravia. He taught (1864–67) mathematics at Graz and later, until his retirement in 1901, was professor of physics...

lobotomy

(Encyclopedia)lobotomy lōbŏtˈəmē, lə– [key], surgical procedure for cutting nerve pathways in the frontal lobes of the brain. The operation has been performed on mentally ill patients whose behavioral patte...

Li Dazhao

(Encyclopedia)Li Dazhao lē dä-jou [key], 1888–1927, professor of history and librarian at Beijing Univ., cofounder of the Chinese Communist party with Chen Duxiu. He was the first important Chinese intellectual...

acculturation

(Encyclopedia)acculturation, culture changes resulting from contact among various societies over time. Contact may have distinct results, such as the borrowing of certain traits by one culture from another, or the ...

Mosley, Walter

(Encyclopedia)Mosley, Walter, 1952–, African-American author, b. Los Angeles. He was a computer programmer until his first novel, the best-selling mystery Devil in a Blue Dress (1990; film, 1995), was published. ...

horizon

(Encyclopedia)horizon, in astronomy, roughly circular line bounding an observer's view of the surface of the earth where the sky and earth seem to meet. This is the visible horizon. At sea the visible horizon is a ...

Innocent XII

(Encyclopedia)Innocent XII, 1615–1700, pope (1691–1700), a Neapolitan named Antonio Pignatelli; successor of Alexander VIII. He was frequently employed by his predecessors as a nuncio, and Innocent XI created h...