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Davies, Robertson

(Encyclopedia)Davies, Robertson (William Robertson Davies) dāˈvĭs [key], 1913–95, Canadian writer and editor. After receiving a B.Litt. from Oxford (1938), he joined the Old Vic Theatre Company before returnin...

stroboscope

(Encyclopedia)stroboscope strŏbˈəskōp [key], optical instrument for making a moving object appear to be slowed down or stationary. This effect is created by interrupting the observer's view so that the object i...

morocco, type of leather

(Encyclopedia)morocco, goatskin leather, dyed on the grain side and boarded by hand or machine to bring up the grain in a bird's-eye effect. It probably originated with the Arabs in North Africa as an alum-tanned p...

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...

Leloir, Luis Federico

(Encyclopedia)Leloir, Luis Federico, 1906–87, Argentine biochemist, b. France, M.D. Univ. of Buenos Aires, 1932, Ph.D. Leloir was a researcher at the Univ. of Buenos Aires from 1932 to 1943. He then taught briefl...

gnat

(Encyclopedia)gnat, common name for any one of a number of small, fragile-looking two-winged flies of the suborder Nematocera, order Diptera, which includes the families Tipulidae (crane flies), Bibionidae (hairfli...

Mount Vernon, estate, United States

(Encyclopedia)Mount Vernon, NE Va., overlooking the Potomac River near Alexandria, S of Washington, D.C.; home of George Washington from 1747 until his death in 1799. The land was patented in 1674, and the house wa...

Andromeda, in astronomy

(Encyclopedia)Andromeda, in astronomy, northern constellation located to the NE of Pegasus and to the S of Cassiopeia. Its brightest star, Alpheratz (Alpha Andromedae), marks the northeast corner of the Great Squar...

Newcastle disease

(Encyclopedia)Newcastle disease, pneumoencephalitis, acute viral disease of domestic poultry. Newcastle disease is characterized by sneezing, coughing, and nervous behavior. Affected birds may show tremors, circlin...

suspension, in chemistry

(Encyclopedia)suspension, in chemistry, mixture of two substances, one of which is finely divided and dispersed in the other. Common suspensions include sand in water, fine soot or dust in air, and droplets of oil ...