Columbia Encyclopedia

(Encyclopedia) guided missile, self-propelled, unmanned space or air vehicle carrying an explosive warhead. Its path can be adjusted during flight, either by automatic self-contained controls or remote human control...

(Encyclopedia) isinglass īˈzənglăsˌ [key], gelatinous semitransparent substance obtained by cleaning and drying the air bladders of the sturgeon, cod, hake, and other fishes. Isinglass is manufactured in Russia...

(Encyclopedia) Cohen, Morris Raphael, 1880–1947, American philosopher, b. Minsk, Russia, grad. College of the City of New York, 1900, Ph.D. Harvard, 1906. He emigrated to the United States in 1892. At first an ins...

(Encyclopedia) aerodynamics, study of gases in motion. As the principal application of aerodynamics is the design of aircraft, air is the gas with which the science is most concerned. Although aerodynamics is primar...

(Encyclopedia) commando, small, elite military raiding and assault unit or soldier. Although the word was coined in the Boer War (1899–1902), the role is as old as battles themselves. In 1940, when the British org...

(Encyclopedia) Rølvaag, Ole Edvart ōˈlə ĕdˈvärt rölˈvôkh [key], 1876–1931, Norwegian-American novelist, b. Helgeland, Norway, grad. St. Olaf College, Northfield, Minn., 1905. He emigrated to the United S...

(Encyclopedia)  CE5 Virginia, state of the S Middle-Atlantic United States. It is bordered by the Atlantic Ocean (E), North Carolina and Tennessee (S), Kentucky and West Virginia (W), and Maryland and the District...

(Encyclopedia) Pledge of Allegiance, in full, Pledge of Allegiance to the Flag of the United States of America, oath that proclaims loyalty to the United States. and its national symbol. It reads: “I pledge allegi...

(Encyclopedia) Grandview, city (2020 pop. 26,209), Jackson co., W Mo., S of Kansas City; inc. 1912. Hardware, chemicals, transportation equipment, apparel, steel, proc...

(Encyclopedia)  CE5 Kentucky kəntŭkˈē, kĭn– [key], state of the SE central United States. It is bordered by West Virginia and Virginia (E); Tennessee (S); the Mississippi River, across which lies Missouri (...