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synthetic textile fibers
(Encyclopedia)synthetic textile fibers have revolutionized the textile industry. Such artificial fibers are usually long-chain polymers, produced industrially by the condensation of many small units. Orlon is the t...pika
(Encyclopedia)pika pīˈkə [key], short-haired mammal related to rabbits and hares, also called mouse hare and rock rabbit. Pikas live above the timber line in the mountains of N Asia and W North America. The pika...Cuadra, Pablo Antonio
(Encyclopedia)Cuadra, Pablo Antonio, 1912–2002, Nicaraguan poet, b. Managua. Early in life, Cuadra became a member of the Vanguard literary movement and edited (1929) its journal. Influenced by Rubén Darío and ...Frisch, Karl von
(Encyclopedia)Frisch, Karl von frĭsh [key], 1887–1982, Austrian zoologist, b. Vienna, Austria. He studied zoology with Richard von Hertwig, whom he later succeeded as professor of zoology at Munich Univ. For his...zodiacal light
(Encyclopedia)zodiacal light or zodiacal band, a faint band of light sometimes seen in the western sky just after sunset in the spring, extending up from the horizon at the point where the sun has just set, or in t...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...stellar populations
(Encyclopedia)stellar populations, two broadly contrasting distributions of star types that are characteristic of different parts of a galaxy. Population I stars are young, recently formed stars, whereas population...observatory
(Encyclopedia)observatory, scientific facility especially equipped to detect and record naturally occurring scientific phenomena. Although geological and meteorological observatories exist, the term is generally ap...Nanjing
(Encyclopedia)Nanjing nănˈkĭngˈ [key] [southern capital], city (1994 est. pop. 2,224,200), capital of Jiangsu prov., E central China, in a bend of the Chang (Yangtze) River. It has served at times in the past a...space probe
(Encyclopedia)space probe, space vehicle carrying sophisticated instrumentation but no crew, designed to explore various aspects of the solar system (see space exploration). Unlike an artificial satellite, which is...Browse by Subject
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