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Zuckmayer, Carl

(Encyclopedia)Zuckmayer, Carl kärl tso͝okˈmīər [key], 1896–1977, German dramatist. Zuckmayer devoted himself to writing after the success of his comedy Der fröhliche Weinberg [the merry vineyard] (1925). Du...

Rappahannock

(Encyclopedia)Rappahannock răpəhănˈək [key], river, 212 mi (341 km) long, rising in the Blue Ridge Mts., N Va., and flowing generally SE to Chesapeake Bay. It is navigable to Fredericksburg. In the Civil War m...

Rochelle salt

(Encyclopedia)Rochelle salt, colorless to blue-white orthorhombic crystalline salt with a saline, cooling taste. It is also called Seignette salt after Pierre Seignette, an apothecary of La Rochelle, France, who wa...

Rough Riders

(Encyclopedia)Rough Riders, popular name for the 1st Regiment of U.S. Cavalry Volunteers, organized largely by Theodore Roosevelt in the Spanish-American War (1898). Its members were mostly ranchers and cowboys fro...

Skye terrier

(Encyclopedia)Skye terrier, breed of sturdy, short-legged terrier developed in the northwestern islands of Scotland more than four centuries ago. It takes its name from the principal island in the group. The Skye t...

Shetland sheepdog

(Encyclopedia)Shetland sheepdog, breed of small, agile working dog perfected in the Shetland Islands in the 19th cent. It stands from 13 to 16 in. (33.0–40.6 cm) high at the shoulder and weighs about 15 lb (7 kg)...

prism

(Encyclopedia)prism, in optics, a piece of translucent glass or crystal used to form a spectrum of light separated according to colors. Its cross section is usually triangular. The light becomes separated because d...

duck

(Encyclopedia)duck, common name for wild and domestic waterfowl of the family Anatidae, which also includes geese and swans. It is hunted and bred for its meat, eggs, and feathers. Strictly speaking, duck refers to...

ozone

(Encyclopedia)ozone ōˈzōn [key], an allotropic form of the chemical element oxygen (see allotropy). Pure ozone is an unstable, faintly bluish gas with a characteristic fresh, penetrating odor. The gas has a dens...

mammal

(Encyclopedia)mammal, an animal of the highest class of vertebrates, the Mammalia. The female has mammary glands, which secrete milk for the nourishment of the young after birth. In the majority of mammals the body...