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tanzanite

(Encyclopedia)tanzanite tănzănˈīt [key], beautiful gemstone discovered in 1967 in the Umba Valley near the Usambara Mts. in Tanzania, a precious variety of the mineral zoisite, a calcium aluminum silicate. Zois...

Mississippi, University of

(Encyclopedia)Mississippi, University of, main campus at Oxford; state supported; coeducational; chartered 1844, opened 1848. The university medical center, which includes the schools of medicine, dentistry, and nu...

sapphire

(Encyclopedia)sapphire, precious stone. A transparent blue corundum, it is classified among the most valuable of gems. Sapphires are found chiefly in Madagascar, Sri Lanka, and Myanmar and also in Thailand, Tanzani...

Indian Ocean

(Encyclopedia)Indian Ocean, third largest ocean, c.28,350,000 sq mi (73,427,000 sq km), extending from S Asia to Antarctica and from E Africa to SE Australia; it is c.4,000 mi (6,400 km) wide at the equator. It con...

blueprint

(Encyclopedia)blueprint, white-on-blue photographic print, commonly of a working drawing used during building or manufacturing. The plan is first drawn to scale on a special paper or tracing cloth through which lig...

Young, Whitney Moore, Jr.

(Encyclopedia)Young, Whitney Moore, Jr., 1921–71, African-American civil-rights leader; b. Lincoln Ridge, Ky. A social worker by profession, he joined the National Urban League in 1947 as director of industrial r...

Curtis, Samuel Ryan

(Encyclopedia)Curtis, Samuel Ryan, 1805–66, Union general in the Civil War, b. Clinton co., N.Y., grad. West Point, 1831. Curtis won a decisive victory at Pea Ridge (1862) and was therefore promoted to major gene...

Catholic University of America

(Encyclopedia)Catholic University of America, at Washington, D.C.; the national university of the Roman Catholic Church in the United States; coeducational; founded 1887 and opened 1889. It includes a college of ar...

sky

(Encyclopedia)sky, apparent dome over the earth, background of the clouds, sun, moon, and stars. The blue color of the clear daytime sky results from the selective scattering of light rays by the minute particles o...

Cutler Bay

(Encyclopedia)Cutler Bay, (2020 pop.45,425), Miami-Dade co., SE Fla.; inc. 2005. Previously known as the unicorporated town of Cutler Ridge, the area was named for D...