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bedbug

(Encyclopedia)bedbug, any of the small, blood-sucking bugs of the family Cimicidae, which includes about 30 species distributed throughout the world. Bedbugs are flat-bodied, oval, reddish brown, and about 1⁄4 in...

Richardson, Samuel

(Encyclopedia)Richardson, Samuel, 1689–1761, English novelist, b. Derbyshire. When he was 50 and a prosperous printer, Richardson was asked to compose a guide to letter writing. The idea of introducing a central ...

clinic

(Encyclopedia)clinic, name for an institution providing medical diagnosis and treatment for ambulatory patients. The forerunner of the modern clinic was the dispensary, which dispensed free drugs and served only th...

United States Naval Observatory

(Encyclopedia)United States Naval Observatory, a federal astronomical observatory, located in Washington, D. C. It evolved from the Navy's oldest scientific institution, the Depot of Charts and Instruments, founded...

Urartu

(Encyclopedia)Urartu o͞orärˈto͞o [key], ancient kingdom of Armenia and N Mesopotamia, centered about Lake Van in present-day E Turkey. It was the biblical Ararat. Urartu flourished from the 13th cent. to the 7t...

poison ivy

(Encyclopedia)poison ivy, poison oak, and poison sumac, woody vines and trailing or erect shrubs of the family Anacardiaceae (sumac family), native to North America. They are sometimes considered as several specie...

Passover

(Encyclopedia)Passover, in Judaism, one of the most important and elaborate of religious festivals. Its celebration begins on the evening of the 14th of Nisan (first month of the religious calendar, corresponding t...

Gary, Romain

(Encyclopedia)Gary, Romain rōmăNˈ gĕrēˈ [key], 1914–80, French novelist, b. Vilna (now Vilnius), of Russian parentage, as Romain Kacew. In France after 1928, he fought in World War II and later entered the ...

Drabble, Margaret

(Encyclopedia)Drabble, Margaret, 1939–, English novelist, b. Sheffield, Yorkshire; sister of A. S. Byatt. Drabble's rigorous and unsentimentally realistic vision of an England split between traditional values and...

Pentagon Papers

(Encyclopedia)Pentagon Papers, government study of U.S. involvement in Southeast Asia. Commissioned by Secretary of Defense Robert S. McNamara in June, 1967, the 47-volume, top secret study covered the period from ...