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Possible definitions for galera

galena
Gray lead sulfide (PbS), the chief ore mineral of lead. One of the most widely distributed sulfide minerals, it occurs in many types of deposits and in many localities. In the U.S., galena is mined principally in the Mississippi River Valley. Galena often contains silver and so is often mined for that metal as well as for lead. Other commercially important minerals that frequently occur in close association with galena are antimony, copper, and zinc.


Galerius
Roman emperor (305-11) notorious for his persecution of Christians. As caesar and a victorious commander, he apparently induced Diocletian to begin the persecutions. In 305 Galerius became augustus (senior emperor) of the East and briefly made himself supreme ruler. He imposed a harsh poll tax on the urban population and kept up the ruthless persecution of Christians. He fell ill in 311; fearing the Christian God was taking vengeance, he issued an edict of tolerance.


Alea
Cuban film director. After earning a law degree in Cuba, he studied filmmaking in Rome (1951-53). A supporter of F. Castro, he helped develop Cuba's film industry after 1959 and made the Communist regime's first official feature film, Stories of the Revolution (1960). Later he worked within the restrictions of the regime to satirize and explore various aspects of life in postrevolutionary Cuba in such internationally acclaimed films as Death of a Bureaucrat (1966), Memories of Underdevelopment (1968), The Survivors (1978), and Strawberry and Chocolate (1993). He is regarded as the finest director Cuba has produced.


camera
Device for recording an image of an object on a light-sensitive surface (see photography). It is essentially a light-tight box with an opening (aperture) to admit light focused onto a sensitized film or plate. All cameras have included five crucial components: (1) the camera box, which holds and protects the sensitive film from all light except that entering through the lens; (2) film, on which the image is recorded; (3) the light control, consisting of an aperture or diaphragm and a shutter, both often adjustable; (4) the lens, which focuses the light rays from the subject onto the film, creating the image; and (5) the viewing system, which may be separate from the lens system (usually above it) or may operate through it by means of a mirror. The camera was inspired by the camera obscura--a dark enclosure with an aperture (usually provided with a lens) through which light enters to form an image of outside objects on the opposite surface--and was developed by J. N. Niepce and L.-J.-M. Daguerre in the early 19th cent. See also digital camera.


Gaea
Greek goddess of the earth. She was both mother and wife to Uranus, or Heaven, from whom she was separated by her son Cronus, a Titan. According to Hesiod, she was the mother of all 12 Titans, as well as of the Furies and the Cyclopes (see Cyclops). She may have ...

Top words beginning with G: genially, gigantically, gallonage, gummier, grisliest, generate, gaped, glycogenosis, glycoleucine, goodmanship, gnomonia, gradienter, genecologist, gametogenic, gilgai, gae, grouting, gurnard, gimcracky, gunebo

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