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wing
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wings
wings flight organs of the bird , the bat , and the insect . Birds' wings are pectoral appendages that are basically the same in skeletal structure as the forelimbs of all higher vertebrates, including the human arm. Bird bones are specialized for strength and lightness, and the wing bones are... Read more |
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Harpy
Harpy in Greek mythology, winged women with sharp claws who snatched food, objects, or people.... Read more |
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Left Wing
Left Wing CHANGING MEANINGS LEFT-RIGHT POLITICAL SPECTRUM THE LEFT WING IN THE TWENTY-FIRST CENTURY BIBLIOGRAPHY The term left wing originated with the seating arrangement of the French National Assembly of 1791. The deputies representing the Third Estate, the ordinary people, were seated... Read more |
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analogy
analogy in biology, the similarities in function, but differences in evolutionary origin, of body structures in different organisms. For example, the wing of a bird is analogous to the wing of an insect, since both are used for flight. However, there is no common ancestral origin in the evolution... Read more |
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airplane
airplane aeroplane, or aircraft, heavier-than-air vehicle, mechanically driven and fitted with fixed wings that support it in flight through the dynamic action of the air. Parts of an Airplane The airplane has six main parts—fuselage, wings, stabilizer (or tail plane), rudder,... Read more |
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Juan de la Cierva
Juan de la Cierva , 1895-1936, Spanish aeronautical engineer, inventor of a rotary-wing aircraft called an autogiro. He flew his first autogiro in 1923 and crossed the English Channel in an improved model in 1928. Bibliography: See his Wings of Tomorrow (1931).... Read more |
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Right Wing
Right Wing OPPOSITION TO THE FRENCH REVOLUTION CHANGING MEANINGS THE RIGHT WING IN THE TWENTY-FIRST CENTURY BIBLIOGRAPHY The term right wing originated with the seating arrangement of the French National Assembly of 1791. The royalists sat on the right side of the chamber while their... Read more |
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Hymenoptera
Hymenoptera (ants, bees, sawflies, wasps; class Insecta, subclass Pterygota) Very large, complex, and diverse order, whose members show a high degree of adaptive radiation. There are two suborders, the Symphyta (sawflies), which do not have a constricted waist, and the Apocrita (ants, bees, and... Read more |
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Diptera
Diptera(two-winged flies, true flies; class Insecta, subclass Pterygota) Order of insects in which the adults have a single pair of membranous wings, the hind wings having been modified into halteres. The mouth-parts are generally adapted for sucking, and modified into a proboscis, often adapted for... Read more |
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