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mining

(Encyclopedia)mining, extraction of solid mineral resources from the earth. These resources include ores, which contain commercially valuable amounts of metals, such as iron and aluminum; precious stones, such as d...

salmon, in zoology

(Encyclopedia)salmon sămˈən [key], member of the Salmonidae, a family of marine fish that spawn in freshwater, including the salmons, the trouts, and the chars (subfamily Salmoninae), the whitefish and the cisco...

planetary system

(Encyclopedia)planetary system, a star and all the celestial bodies bound to it by gravity, especially planets and their natural satellites. Until the last decade of the 20th cent., the only planetary system known ...

Mesopotamia

(Encyclopedia)Mesopotamia mĕsˌəpətāˈmēə [key] [Gr.,=between rivers], ancient region of Asia, the territory about the Tigris and Euphrates rivers, included in modern Iraq. The region extends from the Persian...

Mughal art and architecture

(Encyclopedia)Mughal art and architecture, a characteristic Indo-Islamic-Persian style that flourished on the Indian subcontinent during the Mughal empire (1526–1857). This new style combined elements of Islamic ...

Magna Carta

(Encyclopedia)Magna Carta or Magna Charta [Lat., = great charter], the most famous document of British constitutional history, issued by King John at Runnymede under compulsion from the barons and the church in...

Mary, the mother of Jesus

(Encyclopedia)Mary, in the Bible, mother of Jesus. Christian tradition reckons her the principal saint, naming her variously the Blessed Virgin Mary, Our Lady, and Mother of God (Gr., theotokos). Her name is the He...

reptile

(Encyclopedia)reptile, name for the dry-skinned, usually scaly, cold-blooded vertebrates (see Chordata) of the order Reptilia. Reptiles are found in a variety of habitats throughout the warm and temperate regions (...

Scott, Winfield

(Encyclopedia)Scott, Winfield, 1786–1866, American general, b. near Petersburg, Va. Although vain and pompous (he was called “Old Fuss and Feathers”), Scott was also generous, fair-minded, considerate of h...

common law

(Encyclopedia)common law, system of law that prevails in England and in countries colonized by England. The name is derived from the medieval theory that the law administered by the king's courts represented the co...