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ammonite

(Encyclopedia)ammonite ămˈənīt [key], one of a type of extinct marine cephalopod mollusk, related to the nautilus and resembling it in having an elaborately coiled and chambered shell. Unlike the interiors of n...

quinidine

(Encyclopedia)quinidine kwĭnˈĭdēnˌ [key], heart muscle relaxant used to maintain regular heart rhythm patterns. It is an alkaloid chemically similar to quinine and, like quinine, occurs naturally in some speci...

Forssmann, Werner

(Encyclopedia)Forssmann, Werner vĕrˈnər fôrsˈmän [key], 1904–79, German physician and physiologist, M.D. Univ. of Berlin (1929). In the late 1920s, he developed the technique of cardiac catheterization, whe...

mudskipper

(Encyclopedia)mudskipper, name for fish of several genera in the subfamily Oxudercinae of the goby family, found in coastal waters of the Indian and Pacific oceans and on the Atlantic coast of Africa. The typically...

bicameral system

(Encyclopedia)bicameral system bīkămˈərəl [key], governmental system dividing the legislative function between two chambers, an “upper,” such as the U.S. Senate and the British House of Lords, and a “low...

Eichmann, Adolf

(Encyclopedia)Eichmann, Adolf īkhˈmän [key], 1906–62, German National Socialist official. A member of the Austrian Nazi party, he headed the Austrian office for Jewish emigration (1938). His zeal in deporting ...

Alhambra, Moorish citadel, Spain

(Encyclopedia)Alhambra [Arab.,=the red], extensive group of buildings on a hill overlooking Granada, Spain. They were built chiefly between 1230 and 1354 and they formed a great citadel of the Moorish kings of Spai...

Davis, Miles

(Encyclopedia)Davis, Miles, 1926–91, American jazz musician, b. Alton, Ill. Rising to prominence with the birth of modern jazz in the mid-1940s, when he was a sideman in Charlie Parker's bop quintet, Davis became...

Kew Gardens

(Encyclopedia)Kew Gardens kyo͞o [key], Kew, Surrey, S England, on the Thames just W of London; Royal Botanic Gardens is the official name. The gardens were founded by the dowager princess of Wales in 1761 and cons...

pumice

(Encyclopedia)pumice pŭmˈĭs [key], volcanic glass formed by the solidification of lava that is permeated with gas bubbles. Usually found at the surface of a lava flow, it is colorless or light gray and has the g...