Columbia Encyclopedia

Search results

500 results found

business cycles

(Encyclopedia)business cycles, fluctuations in economic activity characterized by periods of rising and falling fiscal health. During a business cycle, an economy grows, reaches a peak, and then begins a downturn f...

Kohl, Helmut

(Encyclopedia)Kohl, Helmut (Helmut Josef Michael Kohl) hĕlˈmo͝otˌ yōˈzĕfˌ mĭkhˈäĕl kōl [key], 1930–2017, German statesman, chancellor of West Germany (1982–1990) and reunified Germany (1990–98). ...

inclosure

(Encyclopedia)inclosure or enclosure, in British history, the process of inclosing (with fences, ditches, hedges, or other barriers) land formerly subject to common rights. Such land included fields cultivated by t...

Beer, George Louis

(Encyclopedia)Beer, George Louis, 1872–1920, American historian, b. Staten Island, N.Y. He was a tobacco importer for 10 years but also lectured on European history at Columbia from 1893 to 1897. After 1903 he de...

gold

(Encyclopedia)gold, metallic chemical element; symbol Au [Lat. aurum=shining dawn]; at. no. 79; at. wt. 196.96657; m.p. 1,064.43℃; b.p. 2,808℃; sp. gr. 19.32 at 20℃; valence +1 or +3. Gold is very ductile and...

Eichler, August Wilhelm

(Encyclopedia)Eichler, August Wilhelm ouˈgo͝ost vĭlˈhĕlm īkhˈlər [key], 1839–87, German botanist. He worked out the symmetry of the parts of a flower and developed a system of plant classification which, ...

finance

(Encyclopedia)finance, theory and practice of conducting large public and private dealings in money. Important institutions of private finance include those that deal with insurance, banking, stocks (see stock), bo...

Europe

(Encyclopedia)CE5 Europe yo͝orˈəp [key], 6th largest continent, c.4,000,000 sq mi (10,360,000 sq km) including adjacent islands (2015 est. pop. 740,814,000). It is actually a vast peninsula of the great Euras...

Sturm, Johannes

(Encyclopedia)Sturm, Johannes yōhäˈnəs shto͝orm [key], 1507–89, German scholar and educator. He founded (1537) and directed for more than 40 years the Strasbourg Gymnasium. His system of graded readings and ...

physician assistant

(Encyclopedia)physician assistant (PA), health-care professional who provides patient services ranging from taking medical histories and doing physical examinations to performing minor surgical procedures; often ca...

Browse by Subject