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tattoo

(Encyclopedia)tattoo, the marking of the skin with punctures into which pigment is rubbed. The word originates from the Tahitian tattau [to mark]. The term is sometimes extended to scarification, which consists of ...

Sudetes

(Encyclopedia)Sudetes so͞odēˈtēz [key], Czech Sudety, Ger. Sudeten, mountain range, along the border of the Czech Republic and Poland, extending c.185 mi (300 km) between the Elbe and Oder rivers. It is continu...

pharynx

(Encyclopedia)pharynx fârˈĭngks [key], area of the gastrointestinal and respiratory tracts which lies between the mouth and the esophagus. In humans, the pharynx is a cone-shaped tube about 41⁄2 in. (11.43 cm)...

osmium

(Encyclopedia)osmium ŏzˈmēəm [key], metallic chemical element; symbol Os; at. no. 76; at. wt. 190.23; m.p. 3,045±30℃; b.p. 5,027±100℃; sp. gr. 22.57 at 20℃; valence usually +0 to +8. Osmium is a very ha...

vibration

(Encyclopedia)vibration, in physics, commonly an oscillatory motion—a movement first in one direction and then back again in the opposite direction. It is exhibited, for example, by a swinging pendulum, by the pr...

orchestra and orchestration

(Encyclopedia)CE5 Typical seating plan of a symphony orchestra orchestra and orchestration, an orchestra is a musical ensemble of mixed instruments based on strings and winds, under the direction of a conductor...

cutlery

(Encyclopedia)cutlery, various types of implements for cutting, preparing, and eating food. In addition to different kinds of knives and the steels to sharpen them, the term usually encompasses forks and spoons. Th...

kaleidoscope

(Encyclopedia)kaleidoscope kəlīˈdəskōp [key], optical instrument that uses mirrors to produce changing symmetrical patterns. Invented by the Scottish physicist Sir David Brewster in 1816, the device is usually...

Oliveros, Pauline

(Encyclopedia)Oliveros, Pauline, 1932–2016, American composer and musician, b. Houston, Tex., studied Univ. of Houston, San Francisco State College (B.A., 1957). She began playing the accordion as a child, and it...

livery companies

(Encyclopedia)livery companies, London trade guilds incorporated by royal charter, deriving their name from the assumption of distinctive dress (livery) by their members. Edward III granted the first charters in th...