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panda

(Encyclopedia)panda, name for two unrelated nocturnal Asian mammals of the order Carnivora, red pandas, genus Ailurus, and the giant panda, Ailuropoda melanoleuca. Red pandas, also known as lesser pandas and cat be...

sunburn

(Encyclopedia)sunburn, inflammation of the skin caused by actinic rays from the sun or artificial sources. Moderate exposure to ultraviolet radiation is followed by a red blush, but severe exposure may result in bl...

mummy

(Encyclopedia)mummy, dead human or animal body preserved by embalming or by unusual natural conditions. As a rule mummies are from ancient times. The word is of Arabic derivation and refers primarily to the burials...

arthritis

(Encyclopedia)arthritis, painful inflammation of a joint or joints of the body, usually producing heat and redness. There are many kinds of arthritis. In its various forms, arthritis disables more people than any o...

fountain

(Encyclopedia)fountain, natural or artificially conveyed flow of water. In ancient Greece columnar shrines were built over springs and dedicated to deities or nymphs. In ancient Rome fountains fed by the great aque...

International Geophysical Year

(Encyclopedia)International Geophysical Year (IGY), 18-month period from July, 1957, through Dec., 1958, during a period of maximum sunspot activity, designated for cooperative study of the solar-terrestrial enviro...

complexity

(Encyclopedia)complexity, in science, field of study devoted to the process of self-organization. The basic concept of complexity is that all things tend to organize themselves into patterns, e.g., ant colonies, im...

Congreve, William

(Encyclopedia)Congreve, William, 1670–1729, English dramatist, b. near Leeds, educated at Trinity College, Dublin, and studied law in the Middle Temple. After publishing a novel of intrigue, Incognita (1692), and...

nitrate

(Encyclopedia)nitrate, chemical compound containing the nitrate (NO3) radical. Nitrates are salts or esters of nitric acid, HNO3, formed by replacing the hydrogen with a metal (e.g., sodium or potassium) or a radic...

casino

(Encyclopedia)casino or cassino both: kəsēˈnō [key]. 1 Card game played with a full deck by two to four players. Its origins are obscure though it probably traces back to the Italian game of Scopa. It is a very...