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Jocelin de Brakelond

(Encyclopedia)Jocelin de Brakelond jŏsˈlĭn də brākˈlŏnd [key], fl. 1200, English chronicler, a monk of Bury St. Edmunds. His chronicle of St. Edmund's Abbey, covering the years 1173–1202, is written in a s...

Jouvet, Louis

(Encyclopedia)Jouvet, Louis lwē zho͞ovāˈ [key], 1887–1951, French actor, producer, and director. A member of Copeau's Théâtre du Vieux Colombier after 1913, he left in 1922 to organize his own theater. He w...

derecho

(Encyclopedia)derecho dərāˈchō [key], a long-lived windstorm over a wide expanse that is associated with a line of rapidly moving thunderstorms or showers. The winds in a derecho generally exceed 57 mph (92 kph...

center of mass

(Encyclopedia)center of mass, the point at which all the mass of a body may be considered to be concentrated in analyzing its motion. The center of mass of a sphere of uniform density coincides with the center of t...

thermodynamics

(Encyclopedia)thermodynamics, branch of science concerned with the nature of heat and its conversion to mechanical, electric, and chemical energy. Historically, it grew out of efforts to construct more efficient he...

Lysippos

(Encyclopedia)Lysippos līsĭpˈəs [key], fl. late 4th cent. b.c., Greek sculptor, head of the Sicyon school. Hellenistic sculpture was based largely on the style he introduced. In treating the human figure, he mo...

Golden Section

(Encyclopedia)CE5 Rectangle ABCD is a golden rectangle. Removing the square AEFD leaves the rectangle EBCF Golden Section, in mathematics, division of a line segment into two segments such that the ratio of the...

proportion

(Encyclopedia)proportion, in mathematics, the equality of two ratios. Two pairs of quantities a,b and c,d are in proportion if their ratios a/b and c/d are equal, i.e., if the equation a/b=c/d is true. For example,...

Americanization

(Encyclopedia)Americanization, term used to describe the movement during the first quarter of the 20th cent. whereby the immigrant in the United States was induced to assimilate American speech, ideals, traditions,...

hydrogen cyanide

(Encyclopedia)hydrogen cyanide, HCN, colorless, volatile, and extremely poisonous chemical compound whose vapors have a bitter almond odor. It melts at −14℃ and boils at 26℃. It is miscible in all proportions...