Columbia Encyclopedia

Search results

500 results found

Enewetak

(Encyclopedia)Enewetak, Enewetok, or Eniwetok ĕnĭwēˈtŏk, ĕnēˈwĕtôk [key], circular atoll, central Pacific, one of the Ralik Chain in the Marshall Islands. Enewetak is c.50 mi (80 km) in circumference and...

Ellis, Havelock

(Encyclopedia)Ellis, Havelock (Henry Havelock Ellis), 1859–1939, English psychologist and author. He became a qualified physician but devoted himself to scientific study and writing. Although the first volume of ...

Blenheim, battle of

(Encyclopedia)Blenheim, battle of, major engagement of the War of the Spanish Succession (see Spanish Succession, War of the), fought on Aug. 13, 1704, at the village of Blenheim (Blindheim), near Höchstädt, Bava...

National Aeronautics and Space Administration

(Encyclopedia)National Aeronautics and Space Administration (NASA), civilian agency of the U.S. federal government with the mission of conducting research and developing operational programs in the areas of space e...

Story, Joseph

(Encyclopedia)Story, Joseph, 1779–1845, American jurist, associate justice of the Supreme Court (1811–45), b. Marblehead, Mass. Admitted to the Massachusetts bar in 1801, he practiced law in Salem and was sever...

magnetic resonance

(Encyclopedia)magnetic resonance, in physics and chemistry, phenomenon produced by simultaneously applying a steady magnetic field and electromagnetic radiation (usually radio waves) to a sample of atoms and then a...

Robertson, Sir William Robert

(Encyclopedia)Robertson, Sir William Robert, 1860–1933, British field marshal. He enlisted in the army in 1877 and became an officer in 1888. He was in the intelligence department in India (1892–96) and served ...

induction, in electricity and magnetism

(Encyclopedia)induction, in electricity and magnetism, common name for three distinct phenomena. Electromagnetic induction is the production of an electromotive force (emf) in a conductor as a result of a changing ...

paleomagnetism

(Encyclopedia)paleomagnetism, study of the intensity and orientation of the earth's magnetic field as preserved in the magnetic orientation of certain minerals found in rocks formed throughout geologic time. Paleom...

Holyoake, Sir Keith Jacka

(Encyclopedia)Holyoake, Sir Keith Jacka hōˈlē-ōkˌ, hōlˈyōk [key], 1904–83, New Zealand statesman. A farmer, he was active in agricultural organizations in the 1930s and 40s. He entered Parliament in 1932....