Columbia Encyclopedia

(Encyclopedia) probability, in mathematics, assignment of a number as a measure of the “chance” that a given event will occur. There are certain important restrictions on such a probability measure. In any exper...

(Encyclopedia) lettre de cachet lĕˈtrə də käshāˈ [key], formerly in French law, private, sealed document, issued as a communication from the king. Such a letter could order imprisonment or exile for an indivi...

(Encyclopedia) Pavilion Lake, lake, 3.6 mi (5.8 km) long, 2,625 ft (800 m) wide, and 213 ft (65 m) deep at its maximum depth, in Marble Canyon at the S end of the Marble Range near Cache Creek, S British Columbia, C...

(Encyclopedia) avionics āˌvēŏnˈĭks [key], electronic instruments used in air or space flight; also the design and production of such instruments. Early planes had few instruments, but as aviation and aircraft ...

(Encyclopedia) peritoneum pĕrətənēˈəm [key], multilayered membrane which lines the abdominal cavity, and supports and covers the organs within it. The part of the membrane that lines the abdominal cavity is ca...

(Encyclopedia) color index, in astronomy, difference in an object's brightness as recorded between any two well-defined bands of the electromagnetic spectrum by using optical filters of different colors. If blue and...

(Encyclopedia) Boccioni, Umberto o͞ombĕrˈtō bŏt-chôˈnē [key], 1882–1916, Italian futurist painter and sculptor. He played a primary role in the drafting of the manifesto of futurism in 1910 and was the maj...

(Encyclopedia) Bradley, Francis Herbert, 1846–1924, English philosopher. He was educated at Oxford, where he became a fellow of Merton College in 1876. His works include Ethical Studies (1876), Principles of Logic...

(Encyclopedia) Hutchinson. <1> City (2020 pop. 40,006), seat of Reno co., S central Kans., on the Arkansas River; inc. 1872. It is a commercial and industrial ...

(Encyclopedia) Antoine, André äNdrāˈ äNtwänˈ [key], 1858–1943, French theatrical director, manager, and critic. In opposition to the teachings of the Paris Conservatory, he formed (1887) his own company, th...