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Red River, river, China and Vietnam

(Encyclopedia)Red River, Chinese Yuan Chiang, Vietnamese Song Hong, chief river of N Vietnam, 730 mi (1,175 km) long, rising in Yunnan prov., S China, and flowing southeast, in deep, narrow gorges, through N Vietna...

Negro, Río, river, Colombia, Venezuela, and Brazil

(Encyclopedia)Negro, Río rēˈō nāˈgrō [key], river, c.1,400 mi (2,250 km) long, rising as the Guainía River in E Colombia where it flows NE before turning south to form part of the Colombia-Venezuela border....

bromide

(Encyclopedia)bromide, any of a group of compounds that contain bromine and a more electropositive element or radical. Bromides are formed by the reaction of bromine or a bromide with another substance; they are wi...

Flemish art and architecture

(Encyclopedia)Flemish art and architecture, works of art and structures produced in the region of Europe known for centuries as Flanders. Netherlandish art is another term sometimes used for these works. Art produc...

Bradford, William, 1722–91, American Revolutionary printer and patriot

(Encyclopedia)Bradford, William, 1722–91, American Revolutionary printer and patriot; grandson of William Bradford (1663–1752). He learned printing from his uncle, Andrew Bradford, in Philadelphia, and in 1742 ...

Persian art and architecture

(Encyclopedia)Persian art and architecture, works of art and structures produced in the region of Asia traditionally known as Persia and now called Iran. Bounded by fierce mountains and deserts, the high plateau of...

indigo

(Encyclopedia)indigo [Span.; from Lat.,=Indian], important blue dyestuff used in printing inks and for vat dyeing of cotton (see dye). It was anciently produced in India and was known in Egypt, probably c.1600 b.c....

W and Z particles

(Encyclopedia)W and Z particles, elementary particles that mediate, or carry, the fundamental force associated with weak interactions. The discovery of the W and Z particles at CERN near Geneva, Switzerland, in the...

paint

(Encyclopedia)paint, mixture of a pigment and a binding medium, usually thinned with a solvent to form a liquid vehicle. The term includes lacquer, portland cement paint, printing ink, calcimine, and whitewash. Pai...

Mexican art and architecture

(Encyclopedia)Mexican art and architecture, works of art and structures produced in the area that is now the country of Mexico. Such arts were already highly developed in the ancient civilizations flourishing befor...