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looper

(Encyclopedia)looper, name for caterpillars that move with a looping motion, including the inchworm and the cabbage looper. ...

Doppler effect

(Encyclopedia)Doppler effect, change in the wavelength (or frequency) of energy in the form of waves, e.g., sound or light, as a result of motion of either the source or the receiver of the waves; the effect is nam...

precession of the equinoxes

(Encyclopedia)CE5 Precession of the equinoxes (the points at which the earth's celestial equator intersects its ecliptic) is due to the slow rotation of the earth's axis around a perpendicular to the ecliptic. ...

Feininger, Lyonel

(Encyclopedia)Feininger, Lyonel fīˈnĭngər [key], 1871–1956, American painter and illustrator, b. New York City. Feininger studied painting in Berlin, Hamburg, and Paris. He was an illustrator and caricaturist...

Leighton, Frederick Leighton, Baron

(Encyclopedia)Leighton, Frederick Leighton, Baron lāˈtən [key], 1830–96, English painter and sculptor. He studied in Florence. His first exhibited picture, which showed Cimabue's Madonna being carried through ...

Muallaqat

(Encyclopedia)Muallaqat mo͞oälˌäkätˈ [key], Pre-Islamic Arabic anthology compiled by the scholar Hammad al Rawiya (d. c.775). comprised of poems that were written in gold letters and hung on the walls of the ...

composition, in art

(Encyclopedia)composition, in art, the organization of forms and colors within the work of art. In traditional sculpture this means the arrangement of masses and planes. In representational painting it means the gr...

Aksakov, Sergei Timofeyevich

(Encyclopedia)Aksakov, Sergei Timofeyevich äksäˈkôf [key], 1791–1859, Russian writer, known for his nostalgic descriptions of the Orenburg region. Aksakov's chief work is Family Chronicle (1856, tr. 1924), a...

Fischer, Fritz

(Encyclopedia)Fischer, Fritz, 1908–99, German historian. Appointed professor at the Univ. of Hamburg in 1948 (emeritus after 1973), he became famous as the result of his book Griff nach der Weltmacht (1961; tr. G...

Castillejo, Cristóbal de

(Encyclopedia)Castillejo, Cristóbal de krēstōˈbäl dā kästēlyāˈhō [key], c.1490–1550, Spanish poet of the Renaissance. As secretary to the king of Bohemia, Castillejo visited Vienna and other European c...