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drug addiction and drug abuse

(Encyclopedia)drug addiction and drug abuse, chronic or habitual use of any chemical substance to alter states of body or mind for other than medically warranted purposes. Traditional definitions of addiction, with...

dumping

(Encyclopedia)dumping, selling goods at less than the normal price, usually as exports in international trade. It may be done by a producer, a group of producers, or a nation. Dumping is usually done to drive compe...

dysentery

(Encyclopedia)dysentery dĭsˈəntĕrˌē [key], inflammation of the intestine characterized by the frequent passage of feces, usually with blood and mucus. The two most common causes of dysentery are infection wit...

eczema

(Encyclopedia)eczema ĕkˈsəmə [key], acute or chronic skin disease characterized by redness, itching, serum-filled blisters, crusting, and scaling. Predisposing factors are familial history of allergic disorders...

alphanumeric

(Encyclopedia)alphanumeric ălˌfəmĕrˈĭk [key], the set of letters and numbers. When used in reference to computer input and output, the set usually is expanded to include the upper- and lower-case alphabetic c...

Ehrenfest, Paul

(Encyclopedia)Ehrenfest, Paul poul āˈrənfĕst [key], 1880–1933, Austrian physicist. In 1904, Ehrenfest received his doctorate in theoretical physics in Vienna and married the Russian mathematician Tatyana Alex...

Elizabethan style

(Encyclopedia)Elizabethan style ĭlĭzˌəbēˈthən [key], in architecture and the decorative arts, a transitional style of the English Renaissance, which took its name from Queen Elizabeth's reign (1558–1603). ...

angle

(Encyclopedia)angle, in mathematics, figure formed by the intersection of two straight lines; the lines are called the sides of the angle and their point of intersection the vertex of the angle. Angles are commonly...

hantavirus

(Encyclopedia)hantavirus, any of a genus (Hantavirus) of single-stranded RNA viruses that are carried by rodents and transmitted to humans when they inhale vapors from contaminated rodent urine, saliva, or feces. T...

Johnson, Samuel, English author

(Encyclopedia)Johnson, Samuel, 1709–84, English author, b. Lichfield. The leading literary scholar and critic of his time, Johnson helped to shape and define the Augustan Age. He was equally celebrated for his br...