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vaudeville

(Encyclopedia)vaudeville vôdˈvĭl [key], originally a light song, derived from the drinking and love songs formerly attributed to Olivier Basselin and called Vau, or Vaux, de Vire. Similar to the English music ha...

poppy

(Encyclopedia)CE5 Greater celandine poppy, Chelidonium majus poppy, common name for some members of the Papaveraceae, a family composed chiefly of herbs of the Northern Hemisphere having a characteristic milky ...

oganesson

(Encyclopedia)oganesson ōˈgənĕsˌən [key], artificially produced radioactive chemical element; symbol Og; at. no. 118; mass number of most stable isotope 294; m.p., b.p., sp. gr., and valence unknown. Situated...

oratorio

(Encyclopedia)oratorio ôrətôrˈēō [key], musical composition employing chorus, orchestra, and soloists and usually, but not necessarily, a setting of a sacred libretto without stage action or scenery. The imme...

Edison, Thomas Alva

(Encyclopedia)Edison, Thomas Alva, 1847–1931, American inventor, b. Milan, Ohio. A genius in the practical application of scientific principles, Edison was one of the greatest and most productive inventors of his...

anemia

(Encyclopedia)anemia ənēˈmēə [key], condition in which the concentration of hemoglobin in the circulating blood is below normal. Such a condition is caused by a deficient number of erythrocytes (red blood cell...

aggression

(Encyclopedia)aggression, a form of behavior characterized by physical or verbal attack. It may appear either appropriate and self-protective, even constructive, as in healthy self-assertiveness, or inappropriate a...

Perry, Matthew Calbraith

(Encyclopedia)Perry, Matthew Calbraith, 1794–1858, American naval officer, b. South Kingstown, R.I.; brother of Oliver Hazard Perry. Appointed a midshipman in 1809, he first served under his brother on the Reveng...

pilgrim

(Encyclopedia)pilgrim, one who travels to a shrine or other sacred place out of religious motives. Pilgrimages are a feature of many religions and cultures. Examples in ancient Greece were the pilgrimages to Eleusi...