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air pollution

(Encyclopedia)air pollution, contamination of the air by noxious gases and minute particles of solid and liquid matter (particulates) in concentrations that endanger health. The major sources of air pollution are t...

Bach

(Encyclopedia)Bach bäkh [key], German family of distinguished musicians who flourished from the 16th through the 18th cent., its most renowned member being Johann Sebastian Bach (see separate articleBach, Johann S...

Holocene epoch

(Encyclopedia)Holocene epoch hŏlˈəsēn [key] or Recent epoch, most recent of all subdivisions of geologic time, ranging from the present back to the time (c.11,000 years ago) of almost complete withdrawal of the...

Northeast Passage

(Encyclopedia)Northeast Passage, water route along the northern coast of Europe and Asia, between the Atlantic and Pacific oceans. Beginning in the 15th cent., efforts were made to find a new all-water route to Ind...

Eckhart, Meister

(Encyclopedia)Eckhart, Meister mīsˈtər ĕkˈhärt [key] (Johannes Eckhardt), c.1260–c.1328, German mystical theologian, b. Hochheim, near Gotha. He studied and taught in the chief Dominican schools, notably at...

Servetus, Michael

(Encyclopedia)Servetus, Michael sərvēˈtəs [key], 1511–53, Spanish theologian and physician. His name in Spanish was Miguel Serveto. In his early years he came in contact with some of the leading reformers in ...

Antarctic Peninsula

(Encyclopedia)Antarctic Peninsula, glaciated mountain region of W Antarctica, extending c.1,200 mi (1,930 km) N toward South America. In the south, volcanic peaks rise to c.11,000 ft (3,350 m); other volcanic cones...

Kruger, Paul

(Encyclopedia)Kruger, Paul (Stephanas Johannes Paulus) kro͞oˈgər, Afrikaans stāfäˈnəs yōhäˈnəs pouˈləs krüˈgər [key], 1825–1904, South African Transvaal statesman, known as Oom Paul. As a child he...

Erasmus

(Encyclopedia)Erasmus dĕsĭdērˈēəs [key] [Gr. Erasmus, his given name, and Lat., Desiderius=beloved; both are regarded as the equivalent of Dutch Gerard, Erasmus' father's name], 1466?–1536, Dutch humanist, ...

Mainz

(Encyclopedia)Mainz mīnts [key], city (1994 pop. 185,487), capital of Rhineland-Palatinate, W Germany, a port on the E bank of the Rhine River opposite the mouth of the Main River. Its French name, also sometimes ...