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Boole, George

(Encyclopedia)Boole, George, 1815–64, English mathematician and logician. He became professor at Queen's College, Cork, in 1849. Boole wrote An Investigation of the Laws of Thought (1854) and works on calculus an...

Brill, Abraham Arden

(Encyclopedia)Brill, Abraham Arden, 1874–1948, American psychiatrist, b. Austria, grad. New York Univ., 1901, M.D. Columbia, 1903. He came to the United States alone at the age of 13. After studies with C. G. Jun...

weak interactions

(Encyclopedia)weak interactions, actions between elementary particles mediated, or carried, by W and Z particles and that are responsible for nuclear decay. Weak interactions are one of four fundamental interaction...

Kearny, Stephen Watts

(Encyclopedia)Kearny, Stephen Watts kärˈnē [key], 1794–1848, American general in the Mexican War, b. Newark, N.J. At the beginning of the Mexican War he was made commander of the Army of the West with the rank...

Franciscans

(Encyclopedia)Franciscans frănsĭsˈkənz [key], members of several Roman Catholic religious orders following the rule of St. Francis (approved by Honorius III, 1223). There are now three organizations of Francisc...

concordat

(Encyclopedia)concordat kənkôrˈdăt [key], formal agreement, specifically between the pope, in his spiritual capacity, and the temporal authority of a state. Its juridical status is now generally accepted as bei...

Mello, Craig Cameron

(Encyclopedia)Mello, Craig Cameron, 1960–, American geneticist, b. New Haven, Conn., Ph.D. Harvard, 1990. Mello has been on the faculty at the Univ. of Massachusetts since 1994. In 2006 Mello and Andrew Fire were...

neurasthenia

(Encyclopedia)neurasthenia nyo͝orˌəsthēˈnēa [key], condition characterized by general lassitude, irritability, lack of concentration, worry, and hypochondria. The term was introduced into psychiatry in 1869 b...

Bhabha, Homi Jehangir

(Encyclopedia)Bhabha, Homi Jehangir jəhänˌgērˈ bäˈbä [key], 1909–66, Indian physicist, b. Bombay (now Mumbai). He was educated at the Royal Institute of Science, Bombay, and at Cambridge, England, where h...

abacus, in architecture

(Encyclopedia)abacus ăbˈəkəs [key], in architecture, flat slab forming the top member of a capital. In classical orders it varies from a square form having unmolded sides in the Greek Doric, to thinner proporti...