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jay

(Encyclopedia)jay, common name for a number of birds of the family Corvidae (crows and jays), found in Europe, Asia, and the Americas. The best-known representatives in America are the blue jay, Cyanocitta cristata...

pigment

(Encyclopedia)pigment, substance that imparts color to other materials. In paint, the pigment is a powdered substance which, when mixed in the liquid vehicle, imparts color to a painted surface. The pigments used i...

Emory University

(Encyclopedia)Emory University ĕmˈərē [key], near Atlanta, Ga.; coeducational; United Methodist; chartered as Emory College 1836, opened 1837 at Oxford. It became Emory Univ. in 1915 and in 1919 moved to Atlant...

Olives, Mount of

(Encyclopedia)Olives, Mount of, or Olivet ŏlˈĭvĕt [key], ridge, E of Jerusalem, mentioned in the Old Testament as the scene of David's flight from the city, Ezekiel's theophany, and Zechariah's prophecy, and in...

Antietam campaign

(Encyclopedia)Antietam campaign ăntēˈtəm [key], Sept., 1862, of the Civil War. After the second battle of Bull Run, Gen. Robert E. Lee crossed the Potomac to invade Maryland and Pennsylvania. At Frederick, Md.,...

corundum

(Encyclopedia)corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...

lapis lazuli

(Encyclopedia)lapis lazuli lăpˈĭs lăzˈo͝olē [key], gem, deep blue, violet, or greenish blue in color and usually flecked with yellow iron pyrites. It is composed of lazurite, a complex sodium aluminum silica...

color

(Encyclopedia)color, effect produced on the eye and its associated nerves by light waves of different wavelength or frequency. Light transmitted from an object to the eye stimulates the different color cones of the...

Carpenter, John Alden

(Encyclopedia)Carpenter, John Alden, 1876–1951, American composer, b. Park Ridge, Ill.; pupil of J. K. Paine at Harvard and of Elgar. His music, refined and skillfully written, influenced by French impressionism,...

Mankato

(Encyclopedia)Mankato mănkāˈtō [key], city (1990 pop. 31,477), seat of Blue Earth co., S Minn., at the confluence of the Blue Earth and Minnesota rivers; inc. 1865. It is a trade and processing center for a far...