Columbia Encyclopedia

Search results

423 results found

paranoia

(Encyclopedia)paranoia prˌənoiˈə [key], in psychology, a term denoting persistent, unalterable, systematized, logically reasoned delusions, or false beliefs, usually of persecution or grandeur. In the former ca...

rationalism

(Encyclopedia)rationalism [Lat.,=belonging to reason], in philosophy, a theory that holds that reason alone, unaided by experience, can arrive at basic truth regarding the world. Associated with rationalism is the ...

Sibelius, Jean Julius Christian

(Encyclopedia)Sibelius, Jean Julius Christian zhän yo͞oˈlyo͝os krĭsˈtyän sĭbāˈlyo͝os [key], 1865–1957, Finnish composer. Sibelius was a highly personal, romantic composer, yet at the same time he repre...

Vienna State Opera

(Encyclopedia)Vienna State Opera, opera house and company in Vienna, Austria, founded in 1869 as an expansion of the Vienna Court Opera (Hofoper). Destroyed by wartime bombing in 1945, the elegant building's recons...

Papen, Franz von

(Encyclopedia)Papen, Franz von fränts fən päˈpən [key], 1879–1969, German politician. Appointed (1913) military attaché to the German embassy in Washington, he was implicated in espionage activities that le...

Rudolf I

(Encyclopedia)Rudolf I or Rudolf of Hapsburg ro͞oˈdŏlf [key], 1218–91, German king (1273–91), first king of the Hapsburg dynasty. Rudolf's election as king ended the interregnum (1250–73), during which tim...

barbiturate

(Encyclopedia)barbiturate bärbĭchˈərātˌ [key], any one of a group of drugs that act as depressants on the central nervous system. High doses depress both nerve and muscle activity and inhibit oxygen consumpti...

induction, in logic

(Encyclopedia)induction, in logic, a form of argument in which the premises give grounds for the conclusion but do not necessitate it. Induction is contrasted with deduction, in which true premises do necessitate t...

social science

(Encyclopedia)social science, term for any or all of the branches of study that deal with humans in their social relations. Often these studies are referred to in the plural as the social sciences. Although human s...

Scharnhorst, Gerhard Johann David von

(Encyclopedia)Scharnhorst, Gerhard Johann David von gĕrˈhärt yōˈhän däˈvēt fən shärnˈhôrst [key], 1755–1813, Prussian general. A Hanoverian army officer, military writer, and director of the war coll...