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Franklin and Marshall College

(Encyclopedia)Franklin and Marshall College, at Lancaster, Pa.; United Church of Christ (Evangelical-Reformed); coeducational; est. 1787 as Franklin College, reorganized 1853 when it merged with Marshall College (c...

Garfield

(Encyclopedia)Garfield, industrial city (2020 pop. 32,655), Bergen co., NE N.J., on the Passaic at its confluence with the Saddle River; settled 1679 by the Dutch, in...

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...

turquoise

(Encyclopedia)turquoise, hydrous phosphate of aluminum and copper, Al2(OH)3PO4·H2O+Cu, used as a gem. It occurs rarely in crystal form, but is usually cryptocrystalline. Turquoise is opaque and has a waxy luster; ...

Emmaus, city, United States

(Encyclopedia)Emmaus, borough (2020 pop. 11,652), Lehigh co., E Pa., a suburb adjoining Allentown; inc. 1859. It is chiefly residential, with some light manufacturing...

ink

(Encyclopedia)ink, pigmented fluid used for writing and drawing, or a viscous compound used for printing, both of various colors but most frequently black. The oldest known variety, India ink or China ink, is still...

Ladd-Franklin, Christine

(Encyclopedia)Ladd-Franklin, Christine, 1847–1930, American scientist, b. Windsor, Conn., grad. Vassar 1869. She was the first woman student to enter Johns Hopkins (1878), her special studies being directed towar...

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...

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