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ecliptic

(Encyclopedia)ecliptic ēklĭpˈtĭk, ĭ– [key], the great circle on the celestial sphere that lies in the plane of the earth's orbit (called the plane of the ecliptic). Because of the earth's yearly revolution a...

Coriolis effect

(Encyclopedia)Coriolis effect kôrˌē-ōˈlĭs [key] [for G.-G. de Coriolis, a French mathematician], tendency for any moving body on or above the earth's surface, e.g., an ocean current or an artillery round, to ...

Saint-Saëns, Charles Camille

(Encyclopedia)Saint-Saëns, Charles Camille shärl kämēˈyəˈ săN-säNs [key], 1835–1921, French composer. A child prodigy, he made his debut as a pianist at 10 and entered the Paris Conservatory in 1848. He ...

Cassatt, Mary

(Encyclopedia)Cassatt, Mary kəsătˈ [key], 1844–1926, American figure painter and etcher, b. Pittsburgh. Most of her life was spent in France, where she was greatly influenced by her great French contemporaries...

Aiken, Conrad

(Encyclopedia)Aiken, Conrad āˈkĭn [key], 1889–1973, American author, b. Savannah, Ga., grad. Harvard, 1912. Aiken is best known for his poetry, which often is preoccupied with the sound and structure of music;...

Sismondi, Jean Charles Léonard Simonde de

(Encyclopedia)Sismondi, Jean Charles Léonard Simonde de zhäN shärl lāônärˈ sēmôNdˈ də sēsmôNdēˈ [key], 1773–1842, Swiss historian, economist, and critic. A member of the circle of Mme de Staël, he...

sunbittern

(Encyclopedia)sunbittern, common name for a graceful, stout-bodied, bitternlike bird, Eurypyga helias. It is named for its wing markings, an orange-chestnut shield set in an orange-buff circle, which looks like a s...

Cameron, Julia Margaret

(Encyclopedia)Cameron, Julia Margaret kămˈərən [key], 1815–79, English pioneer photographer, b. Calcutta (now Kolkata). Born and married into the high ranks of the British civil service, Cameron became an int...

topology

(Encyclopedia)CE5 Möbius strip: On the ordinary flat loop (A), an ant walking along the middle of the strip will pass only around the outside of the strip. If the strip is cut along the dotted line, twisted onc...

mammoth

(Encyclopedia)mammoth, name for several large prehistoric relatives (genus Mammuthus) of modern elephants which ranged over Eurasia and North America in the Pleistocene epoch. The shoulder height of the Siberian, o...