Columbia Encyclopedia

Search results

500 results found

Coulomb, Charles Augustin de

(Encyclopedia)Coulomb, Charles Augustin de ko͞oˈlŏm, ko͞olŏmˈ, Fr. shärl ōgüstăNˈ də ko͞olôNˈ [key], 1736–1806, French physicist. In 1789 he retired from his posts as military engineer and as super...

Fernández de Córdoba, Francisco, d. 1526?, Spanish conquistador

(Encyclopedia)Fernández de Córdoba, Francisco fränthēsˈkō fārnänˈdāth dā kōrˈdōbä [key], d. 1526?, Spanish conquistador. Sent in 1523 by Pedro Arias de Ávila to deprive Gil González de Ávila (d. 1...

Hertz, Heinrich Rudolf

(Encyclopedia)Hertz, Heinrich Rudolf hĕrts [key], 1857–94, German physicist. He confirmed J. C. Maxwell's electromagnetic theory and in the course of experiments (1886–89) produced and studied electromagnetic...

Moline

(Encyclopedia)Moline mōlēnˈ [key], city (1990 pop. 43,202), Rock Island co., NW Ill., on the Mississippi River, in a coal area; inc. 1848. It is a transportation and industrial center, and has been a major produ...

mark

(Encyclopedia)mark, designation for the free village community that was supposed to have been the unit of primitive German social life. According to a theory formulated in the 19th cent. by Georg Ludwig von Maurer ...

Young's modulus

(Encyclopedia)Young's modulus [for Thomas Young], number representing (in pounds per square inch or dynes per square centimeter) the ratio of stress to strain for a wire or bar of a given substance. According to Ho...

Svoboda, Ludvík

(Encyclopedia)Svoboda, Ludvík lo͝odˈvĕk svôˈbôdä [key], 1895–1979, Czechoslovak general and political leader. Svoboda served in the Czech Legion in World War I and became an officer (1922) in the army of ...

town

(Encyclopedia)town, in the United States. In the New England states the town is the basic unit of local government. The New England town government's unique feature is the town meeting, much praised as a nearly pur...

Richardson, Lewis Fry

(Encyclopedia)Richardson, Lewis Fry, 1881–1953, British physicist and pioneering meteorologist, grad. Cambridge (1903), Univ. of London (B.Sc. 1929). Richardson worked at the National Physical Laboratory (1902–...

Helwan

(Encyclopedia)Helwan wänˈ [key], town (1989 est. pop. 230,000), N Egypt, on the Nile River, opposite the ruins of Memphis; a suburb of Cairo. Manufactures include iron and steel, cement, and textiles; there is a ...