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spavin

(Encyclopedia)spavin spăvˈĭn [key], disease of horses affecting the hock joint. There are two types—bog spavin, in which the hock joint is distended as a result of the collection of synovial fluid; and bone sp...

Sims, Christopher Albert

(Encyclopedia)Sims, Christopher Albert, 1942–, American economist, b. Washington, D.C., Ph.D. Harvard (1968). Sims has taught at Harvard (1967–70), the Univ. of Minnesota (1970–90), Yale (1990–99), and Prin...

Repplier, Agnes

(Encyclopedia)Repplier, Agnes rĕpˈlēr [key], 1858–1950, American essayist, b. Philadelphia. Her essays, esteemed for their scholarship and wit, are collected in several volumes, including Books and Men (1888),...

alpha particle

(Encyclopedia)alpha particle, one of the three types of radiation resulting from natural radioactivity. Alpha radiation (or alpha rays) was distinguished and named by E. R. Rutherford in 1909, who found by measurin...

Diwali

(Encyclopedia)Diwali, the festival of lights, celebrated by Hindus, Jains, and Sikhs; one of the most popular holidays in South Asia. Extending over five days, it marks the beginning of the new year in the Vikrama ...

Brooklyn Academy of Music

(Encyclopedia)Brooklyn Academy of Music, performing arts center located in the borough of Brooklyn, N.Y. and popularly known as BAM. Founded in 1859 and opened in 1861, it is the oldest such institution still in op...

taffeta

(Encyclopedia)taffeta, cloth, originally silk but now also made of synthetic fibers, supposed to have originated in Persia. The name, derived from Persian, means “twisted woven.” Taffeta is in the same class an...

Littleton, Sir Thomas

(Encyclopedia)Littleton, Sir Thomas, 1422?–1481, English jurist. He became a sergeant-at-law, i.e., a barrister, in the Court of Common Pleas in 1453 and a judge in 1466. He is best known for his Tenures, a short...

Cytoxan

(Encyclopedia)Cytoxan sītŏkˈsĭn [key], trade name for the drug cyclophosphamide, used to inhibit growth of tumors and rapidly proliferating cells. It is used in the treatment of leukemia, Hodgkin's disease, and...

purification

(Encyclopedia)purification, in religion, the ceremonial removal of what the religion deems unclean. The usual agents of purification are water (as in baptism), bodily alteration (as in circumcision), and fire. The ...
 

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