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horn, in zoology

(Encyclopedia)horn, in zoology, one of a pair of structures projecting from the head of a hoofed animal, used chiefly as a weapon. In cattle, sheep, Old World antelopes, and related animals the horns are permanent ...

Julian Day calendar

(Encyclopedia)Julian Day calendar, system of astronomical dating that allows the difference between two dates to be calculated more easily than conventional civil calendars with their uneven months. It was devised ...

naturopathy

(Encyclopedia)naturopathy or naturopathic medicine, branch of alternative medicine concerned with holistic and noninvasive methods of treating illness and maintaining health. Centered on the use of natural substanc...

Lichfield

(Encyclopedia)Lichfield, town (1991 pop. 25,408) and district, Staffordshire, W central England. Lichfield is a market town with light industries, famous for its three-spired cathedral and its close associations wi...

Lycia

(Encyclopedia)Lycia lĭshˈə [key], ancient country, SW Asia Minor. Egyptian sources ally the Lycians to the Hittites at the time of Ramses II; the Lycians spoke an Anatolian language. Lycia was frequently mention...

Brongniart, Alexandre

(Encyclopedia)Brongniart, Alexandre brôNyärˈ [key], 1770–1847, French geologist, mineralogist, and chemist. As director of the Sèvres porcelain factory from 1800, he was responsible for its international fam...

Saint-Quentin

(Encyclopedia)Saint-Quentin săN-käNtăNˈ [key], city (1990 pop. 62,085), Aisne dept., N France, on the Somme River. Foundry products, machinery, textiles, and food products are manufactured. Saint-Quentin was fa...

Oradea

(Encyclopedia)Oradea –mäˈrĕ [key], Hung. Nagyvárad, Ger. Grosswardein, city (1990 pop. 228,956), W Romania, in Crişana-Maramureş, near the Hungarian border. It is the marketing and shipping center for a liv...

goldwork

(Encyclopedia)goldwork, ornaments, jewelry, and vessels created from gold. Such works have figured in almost every stage of civilization as symbols of wealth and power. During the craft revival of the 1960s and 7...

isotope

(Encyclopedia)CE5 Isotopes of hydrogen isotope īˈsətōp [key], in chemistry and physics, one of two or more atoms having the same atomic number but differing in atomic weight and mass number. The concept of ...