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Jhelum, river, India and Pakistan

(Encyclopedia)Jhelum or Jehlam both: jāˈləm [key], westernmost of the five rivers of the Punjab, 480 mi (772 km) long. Rising in Jammu and Kashmir, India, it flows W through the Vale of Kashmir, S through Pakist...

riot, rout, and unlawful assembly

(Encyclopedia)riot, rout, and unlawful assembly, in law, varying degrees of concerted disturbance of the peace. At common law, an unlawful assembly is a gathering of at least three persons whose conduct causes obse...

Jones, Robert Edmond

(Encyclopedia)Jones, Robert Edmond, 1887–1954, American scene designer, b. Milton, N.H. With his design in 1915 for The Man Who Married a Dumb Wife, a new era of scene design began in the United States. His use o...

Narva, river, Estonia and Russia

(Encyclopedia)Narva, river, c.50 mi (80 km) long, rising in Lake Peipus (Chudskoye), E Estonia, and flowing northeast past the city of Narva into the Gulf of Finland. It forms the border between Estonia and Russia....

gluon

(Encyclopedia)gluon, an elementary particle that mediates, or carries, the strong, or nuclear, force. In quantum chromodynamics (QCD), the quantum field theory of strong interactions, the interaction of quarks (to ...

liquid crystal

(Encyclopedia)liquid crystal, liquid whose component particles, atoms or molecules, tend to arrange themselves with a degree of order far exceeding that found in ordinary liquids and approaching that of solid cryst...

centripetal force and centrifugal force

(Encyclopedia)CE5 Centripetal and centrifugal forces: When a ball is swung in a circle at the end of a string, centripetal and centrifugal forces act as shown above. centripetal force and centrifugal force, act...

lead acetate

(Encyclopedia)lead acetate, chemical compound, a white crystalline substance with a sweetish taste. Like other lead compounds, it is very poisonous. Lead acetate is soluble in water and glycerin. With water it form...

Port Saint Lucie

(Encyclopedia)Port Saint Lucie lo͞oˈsē [key], city (1990 pop. 55,866), St. Lucie co., central E Fla., on the St. Lucie River; inc. 1961. Fabricated metal products, trailers, printing materials, and processed sto...

Plainfield

(Encyclopedia)Plainfield, city (1990 pop. 46,567), Union co., NE N.J.; settled 1684 by Friends, inc. as a city 1869. Formerly a residential city in the New York metropolitan area, it has become the urban center of ...