| aristotle's lantern | <zoology> The five united jaws and accessory ossicles of certain sea urchins. Source: Websters Dictionary (01 Mar 1998) |
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| lantern | 1. Something inclosing a light, and protecting it from wind, rain, etc.; sometimes portable, as a closed vessel or case of horn, perforated tin, glass, oiled paper, or other material, having a lamp or candle within; sometimes fixed, as the glazed inclosure of a street light, or of a lighthouse light. 2. An open structure of light material set upon a roof, to give light and air to the interior. A cage or open chamber of rich architecture, open below into the building or tower which it crowns. A smaller and secondary cupola crowning a larger one, for ornament, or to admit light; such as the lantern of the cupola of the Capitol at Washington, or that of the Florence cathedral. 3. <machinery> A lantern pinion or trundle wheel. See Lantern pinion (below). 4. <engineering> A kind of cage inserted in a stuffing box and surrounding a piston rod, to separate the packing into two parts and form a chamber between for the reception of steam, etc.; called also lantern brass. 5. A perforated barrel to form a core upon. 6. <zoology> See Aristotle's lantern. Fig. 1 represents a hand lantern; fig. 2, an arm lantern; fig. 3, a breast lantern; so named from the positions in which they are carried. Dark lantern, a lantern with a single opening, which may be closed so as to conceal the light; called also bull's-eye. Lantern fly, Lantern carrier, any translucent, marine, bivalve shell of the genus Anatina, and allied genera. Magic lantern, an optical instrument consisting of a case inclosing a light, and having suitable lenses in a lateral tube, for throwing upon a screen, in a darkened room or the like, greatly magnified pictures from slides placed in the focus of the outer lens. Origin: F. Lanterne, L. Lanterna, laterna, from Gr. Light, torch. See Lamp. Source: Websters Dictionary (01 Mar 1998) |
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| Fresnel lantern | A lantern having a lamp surrounded by a hollow cylindrical Fresnel lens. Origin: From Fresnel the inventor, a French physicist. Source: Websters Dictionary (01 Mar 1998) |
| Aristotle | <person> The son of a physician and old Asclepiad family was born at Stagira, a Greek colony on the coast of Macedonia. Aristotle was called "The Prince of those who know." He established a harmonious bridge between biology and medicine. He was adept in logic, botany, zoology and anatomy. Darwin called this peripatetic the World's greatest natural scientist. He was the tutor of Alexander the Great. As knowledgeable as he was, some of his concepts were very wrong. One of his misconceptions was spontaneous generation. He believed creatures were generated by dung hills and this idea prevailed until the 19th century when Pasteur exposed its absurdity. He taught that semen was non-essential, and he supported the virgin-birth. He speculated that the seat of consciousness was in the heart, not the brain. Because he tutored young Alexander, his student supplied him with a wealth of specimens of exotic plants and animals. He became one of the great natural scientists. When Aristotle retired he bequeathed his private library and Lyceum at Athens (his private school), to Theophrastus his pupil. Lived: 384-322 B.C. (15 Nov 1997) |
| Aristotle, Asclepliad of Stagira | <person> The son of a physician and old Asclepiad family was born at Stagira, a Greek colony on the coast of Macedonia. Aristotle was called "The Prince of those who know." He established a harmonious bridge between biology and medicine. He was adept in logic, botany, zoology and anatomy. Darwin called this peripatetic the World's greatest natural scientist. He was the tutor of Alexander the Great. As knowledgeable as he was, some of his concepts were very wrong. One of his misconceptions was spontaneous generation. He believed creatures were generated by dung hills and this idea prevailed until the 19th century when Pasteur exposed its absurdity. He taught that semen was non-essential, and he supported the virgin-birth. He speculated that the seat of consciousness was in the heart, not the brain. Because he tutored young Alexander, his student supplied him with a wealth of specimens of exotic plants and animals. He became one of the great natural scientists. When Aristotle retired he bequeathed his private library and Lyceum at Athens (his private school), to Theophrastus his pupil. Lived: 384-322 B.C. (15 Nov 1997) |
| Aristotle's anomaly | When a small object is held between the first and second fingers crossed in such a way that it touches or presses upon skin surfaces which ordinarily are not pressed upon simultaneously by a single object, it is perceived falsely as two. (05 Mar 2000) |
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