Columbia Encyclopedia

Search results

500 results found

Benn, Anthony Wedgwood

(Encyclopedia)Benn, Anthony Wedgwood (Tony Benn), 1925–2014, British politician, b. London, grad. New College, Oxford. After working for the British Broadcasting Corporation (1949–50), he was elected a Labour m...

white dwarf

(Encyclopedia)white dwarf, in astronomy, a type of star that is abnormally faint for its white-hot temperature (see mass-luminosity relation). Typically, a white dwarf star has the mass of the sun and the radius of...

Marshall Islands

(Encyclopedia)Marshall Islands, officially Republic of the Marshall Islands, independent nation (2015 est. pop. 53,000), in the central Pacific. The Marshalls extend over a 700-mi (1,130-km) area and comprise two m...

Gorbachev, Mikhail Sergeyevich

(Encyclopedia)Gorbachev, Mikhail Sergeyevich mēkhəyēlˈ sĭrgāˈyəvich gərbəchofˈ ...

force

(Encyclopedia)force, commonly, a “push” or “pull,” more properly defined in physics as a quantity that changes the motion, size, or shape of a body. Force is a vector quantity, having both magnitude and dir...

Nevada

(Encyclopedia)CE5 Nevada nəvădˈə, –vä– [key], far western state of the United States. It is bordered by Utah (E), Arizona (SE), California (SW, W), and Oregon and Idaho (N). In the 20th cent. the ...

e-commerce

(Encyclopedia)e-commerce, commerce conducted over the Internet, most often via the World Wide Web. E-commerce can apply to purchases made through the Web or to business-to-business activities such as inventory tran...

livermorium

(Encyclopedia)livermorium, artificially produced radioactive chemical element; symbol Lv; at. no. 116; mass number of most stable isotope 292; m.p., b.p., sp. gr., and valence unknown. Situated in Group 16 of the p...

Athens, cities, United States

(Encyclopedia)Athens. 1 City (2020 population 25406), seat of Limestone co., N Al; inc. 1818. One of the first incorporated cities in Alabma, the city was established a year before the state was ...

field, in physics

(Encyclopedia)field, in physics, region throughout which a force may be exerted; examples are the gravitational, electric, and magnetic fields that surround, respectively, masses, electric charges, and magnets. The...