Columbia Encyclopedia

Search results

500 results found

bassoon

(Encyclopedia)bassoon băso͞onˈ [key], double-reed woodwind instrument that plays in the bass and tenor registers. Its 8-ft (2.4-m) conical tube is bent double, the instrument thus being about 4 ft (1.2 m) high. ...

Steuben, Friedrich Wilhelm, Baron von

(Encyclopedia)Steuben, Friedrich Wilhelm, Baron von styo͞oˈbən, Ger. frēˈdrĭkh vĭlˈhĕlm bärōnˈ fən shtoiˈbən [key], 1730–94, Prussian army officer, general in the American Revolution, b. Magdeburg....

Young, Michael Warren

(Encyclopedia)Young, Michael Warren, 1949–, American geneticist, b. Miami, Fla., Ph.D. Univ. of Texas, Austin, 1975. Young has been on the faculty at Rockefeller Univ. since 1978, and he was also an investigator ...

adrenocorticotropic hormone

(Encyclopedia)adrenocorticotropic hormone ədrēˈnōkôrˌtəkōtrŏpˈĭk [key], polypeptide hormone secreted by the anterior pituitary gland. Its chief function is to stimulate the cortex of the adrenal gland to...

Urban VIII

(Encyclopedia)Urban VIII, 1568–1644, pope (1623–44), a Florentine named Maffeo Barberini; successor of Gregory XV. Throughout his pontificate the Thirty Years War raged in Germany. For various political reasons...

moment

(Encyclopedia)moment, in physics and engineering, term designating the product of a quantity and a distance (or some power of the distance) to some point associated with that quantity. The most theoretically useful...

Luria, Isaac ben Solomon

(Encyclopedia)Luria or Loria, Isaac ben Solomon lo͝orˈēə, lôrˈ– [key], 1534–72, Jewish kabbalist, surnamed Ashkenazi, called Ari [lion] by his followers, b. Jerusalem. In his 20s he spent seven years in s...

London, Declaration of

(Encyclopedia)London, Declaration of, international code of maritime law, especially as related to war, proposed in 1909. The declaration grew largely out of the attempt at the second of the Hague Conferences to se...

Liddell Hart, Sir Basil Henry

(Encyclopedia)Liddell Hart, Sir Basil Henry lĭˈdəl härt [key], 1895–1970, English author and military strategist, b. Paris. His education at Cambridge was interrupted by World War I, in which he served (1914�...

Ashkin, Arthur

(Encyclopedia)Ashkin, Arthur, 1922–2020, American physicist, b. Brooklyn, N.Y., Ph.D. Cornell, 1952. Ashkin worked for four decades at Bell Laboratories, retiring in 1992. Ashkin researched microwaves, nonlinear ...