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silverwork

(Encyclopedia)silverwork, utilitarian objects and works of art created from silver. Silverwork includes ecclesiastical and domestic plate, flatware, jewelry, buttons, buckles, boxes, toilet articles, weapons, furni...

Adams, Henry

(Encyclopedia)Adams, Henry, 1838–1918, American writer and historian, b. Boston; son of Charles Francis Adams (1807–86). He was secretary (1861–68) to his father, then U.S. minister to Great Britain. Upon his...

transuranium elements

(Encyclopedia)transuranium elements, in chemistry, radioactive elements with atomic numbers greater than that of uranium (at. no. 92). All the transuranium elements of the actinide series were discovered as synthet...

eclipse

(Encyclopedia)CE5 A. Lunar eclipse B. Solar eclipse eclipse ēklĭpsˈ, ĭ– [key] [Gr.,=failing], in astronomy, partial or total obscuring of one celestial body by the shadow of another. Best known are the lu...

Nile

(Encyclopedia)Nile, longest river in the world, c.4,160 mi (6,695 km) long from its remotest headstream, the Luvironza River in Burundi, central Africa, to its delta on the Mediterranean Sea, NE Egypt. The Nile flo...

Liège, city, Belgium

(Encyclopedia)Liège, Du. Luik, Ger. Lüttich, city (1991 pop. 194,596), capital of Liège prov., E Belgium, at the confluence of the Meuse and Ourthe rivers, near the Dutch and German borders. Greater Liège inclu...

microscope

(Encyclopedia)CE5 Compound microscope microscope, optical instrument used to increase the apparent size of an object. The electron microscope, which is not limited by the powers of optical lenses and light,...

learning

(Encyclopedia)learning, in psychology, the process by which a relatively lasting change in potential behavior occurs as a result of practice or experience. Learning is distinguished from behavioral changes arising ...

Raphael Santi

(Encyclopedia)Raphael Santi or Raphael Sanzio, Ital. Raffaello Santi or Raffaello Sanzio räfˌfäĕlˈlō sänˈtē, sänˈtsyō [key], 1483–1520, major Italian Renaissance painter, b. Urbino. In Raphael's work ...

Riga

(Encyclopedia)Riga rēˈgə [key], city (2011 provisional pop. 657,424), capital of Latvia, on the Daugava (Western Dvina) River near its entry into the Gulf of Riga. A major Baltic port, it is also a rail junction...