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pulsar

(Encyclopedia)pulsar, in astronomy, a neutron star that emits brief, sharp pulses of energy instead of the steady radiation associated with other natural sources. The study of pulsars began when Antony Hewish and h...

Albright, Ivan Le Lorraine

(Encyclopedia)Albright, Ivan Le Lorraine ôlˈbrīt [key], 1897–1983, American painter, b. North Harvey, Ill. Allied with the Magic Realist group, Albright developed a style combining American scene painting with...

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...

Blacher, Boris

(Encyclopedia)Blacher, Boris bläˈkhər [key], 1903–75, Estonian-German composer, b. Yingkou, China. Blacher lived for six years in Siberia. He studied in Berlin and in 1953 became the director of the West Berli...

static

(Encyclopedia)static, term formerly use to describe electrical noise in radio reception, especially noise that originates outside a transmitter and receiver, e.g., in the atmosphere or in human-made devices. In gen...

Beattie, James

(Encyclopedia)Beattie, James, 1735–1803, Scottish poet and essayist. Educated at Marischal College, Aberdeen, he later became professor of moral philosophy there. His fame in his own lifetime rested on two works,...

catnip

(Encyclopedia)catnip or catmint, strong-scented perennial herb (Nepeta cataria) of the family Labiatae (mint family), native to Europe and Asia but naturalized in the United States. A tea of the leaves and flowing ...

Imperial Conference

(Encyclopedia)Imperial Conference, assembly of representatives of the self-governing members of the British Empire, held about every four years until World War II. The meetings prior to 1911—in 1887, 1897, 1902, ...

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...

transpiration

(Encyclopedia)transpiration, in botany, the loss of water by evaporation in terrestrial plants. Some evaporation occurs directly through the exposed walls of surface cells, but the greatest amount takes place throu...