Search

Search results

Displaying 101 - 110

astrology

(Encyclopedia) astrology, form of divination based on the theory that the movements of the celestial bodies—the stars, the planets, the sun, and the moon—influence human affairs and determine the…

San Andreas fault

(Encyclopedia) San Andreas fault, great fracture (see fault) of the earth's crust in California. It is the principal fault of an intricate network of faults extending more than 600 mi (965 km) from…

semiotics

(Encyclopedia) semiotics or semiology, discipline deriving from the American logician C. S. Peirce and the French linguist Ferdinand de Saussure. It has come to mean generally the study of any…

pitch, in music

(Encyclopedia) pitch, in music, the position of a tone in the musical scale, today designated by a letter name and determined by the frequency of vibration of the source of the tone. Pitch is an…

geochemistry

(Encyclopedia) geochemistry, study of the chemical changes on the earth. More specifically, it is the study of the absolute and relative abundances of chemical elements in the minerals, soils, ores,…

Carnot, Nicolas Léonard Sadi

(Encyclopedia) Carnot, Nicolas Léonard SadiCarnot, Nicolas Léonard Sadinēkōläˈ lāônärˈ sädēˈ [key]Carnot, Nicolas Léonard Sadi kärnōˈ [key], 1796–1832, French physicist, a founder of modern…

Manchu

(Encyclopedia) ManchuManchumănˈch&oomacr; [key], people who lived in Manchuria for many centuries and who ruled China from 1644 until 1912. These people, related to the Tungus, were descended…

Macpherson, James

(Encyclopedia) Macpherson, James, 1736–96, Scottish author. Educated at Aberdeen and Edinburgh, he spent his early years as a schoolmaster. In later life he held a colonial secretaryship in West…

logarithm

(Encyclopedia) logarithmlogarithmlŏgˈərĭᵺəm [key] [Gr.,=relation number], number associated with a positive number, being the power to which a third number, called the base, must be raised in order…