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tragedy
tragedy form of drama that depicts the suffering of a heroic individual who is often overcome by the very obstacles he is struggling to remove. The protagonist may be brought low by a character flaw or, as Hegel stated, caught in a "collision of equally justified ethical aims."
See also ...
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blue shift
blue shift or blueshift, in astronomy, the systematic displacement of individual lines in the spectrum of a celestial object toward the blue, or shorter wavelength, end of the visible spectrum. The amount of displacement is a function of the object's relative velocity toward the observer. Mos...
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cyanosis
cyanosis , bluish coloration of the skin, mucous membranes, and nailbeds, resulting from a lack of oxygenated hemoglobin in the blood. It is a symptom of many disorders, including various pulmonary and heart diseases and many congenital heart defects (see blue baby ). Cyanosis that is caused by slo...
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terrier
terrier classification used by breeders and kennel clubs to designate dogs originally bred to start small game and vermin from their burrows or, in the case of several breeds in this group, to go to earth and kill their prey. Today these dogs are raised chiefly as pets. The following breeds are cla...
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West Nile virus
West Nile virus microorganism and the infection resulting from it, which typically produces no symptoms or a flulike condition. The virus is a flavivirus and is related to a number of viruses that cause encephalitis. It usually is transmitted through the bite of several mosquito species, and can in...
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blue-green algae
blue-green algae popular name for those microorganisms that are now more properly called cyanobacteria .
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color
color effect produced on the eye and its associated nerves by light waves of different wavelength or frequency. Light transmitted from an object to the eye stimulates the different color cones of the retina, thus making possible perception of various colors in the object.
See also light ; pa...
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Siegfried
Siegfried or Sigurd , great folk hero of early and medieval Germanic mythology. His legend, important in several Germanic epics, recounts his killing of the dragon Fafnir, his marriage to Gudrun (or Kriemhild), his love and betrayal of Brunhild, and his tragic death. See Niebelungenlied under N...
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Karl von Frisch
Karl von Frisch , 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 pioneering work in comparative behavioral physiology, particularly his studies of the complex communication betwee...
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Prussian blue
Prussian blue pigment widely used for laundry bluing, in dyeing compounds, and in the manufacture of inks and paints. Several varieties are known, one of which consists of the chemical compound ferric ferrocyanide.
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