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Parabola   /pərˈæbələ/   Listen
Parabola

noun
(pl. parabolas)
1.
A plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the curve.






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"Parabola" Quotes from Famous Books



... father, and smiled and nodded, then she and her lover passed out of sight. Another rocket trailed its golden parabola along the sky, and dropped with stars; there was an ineffably sweet strain from the orchestra; the illuminated oaks tossed silver and golden boughs in a gust of fragrant wind. Andrew quoted again from the old King of Wisdom—"I withheld ...
— The Portion of Labor • Mary E. Wilkins Freeman

... breakfast time, the first shell burst near the camp—a short rapid squeal followed by a sharp report. The second shell burst a few minutes after, throwing up earth and smoke. A steel fragment came sailing over in a wide parabola and struck the foot of a man standing in the breakfast queue. He limped to the first-aid hut, looking very pale. When he got there, he had some difficulty in finding his wound, ...
— Combed Out • Fritz August Voigt

... less number than is expressed by unity followed by 63 ciphers. Such a book is the sport of a geometrical giant wantonly amusing himself with his strength. Among his mathematical investigations must not be omitted the quadrature of the parabola. His fame depends, however, not so much on his mathematical triumphs as upon his brilliant discoveries in physics and his mechanical inventions. How he laid the foundation of Hydrostatics is familiar to everyone, through ...
— History of the Intellectual Development of Europe, Volume I (of 2) - Revised Edition • John William Draper

... a projector," muttered the doctor. "I never saw one quite like it, but it is meant to project something. I can't make out the curve of that mirror. It isn't a parabola and it isn't an ellipse. It must be a high degree subcatenary or else built on a ...
— Astounding Stories of Super-Science, March 1930 • Various

... of his eyes and stared at the mosquito, which was growing bigger every minute. With the velocity of a projectile, this monstrous insect, or whatever it was, came sweeping up behind them from the Height of Land, soaring into the zenith in a great parabola, until with a shiver of excitement Bennie recognized that it was ...
— The Man Who Rocked the Earth • Arthur Train

... except by a westerly detour which could not be accommodated to the general scheme. In order to strike the practicable drifts on the two rivers above their confluence, it was necessary for the advance to be made along the curve of a parabola which issued from Modder River Station in a S.E. direction, and in a sixty-mile circuit crossed the rivers and finally approached Kimberley, only twenty miles distant from the starting point, ...
— A Handbook of the Boer War • Gale and Polden, Limited

... a plate on the table beside him and picking up a handful of hash tossed it into the air. It descended as a languid parabola in snowflake effect on the ...
— Tales of the Jazz Age • F. Scott Fitzgerald

... predecessors. While painting was in the ascendant, Raphael could take the best of Perugino and discard the worst; in its decadence Parmigiano reproduces the affectations of Correggio, and Bernini carries the exaggerations of Michelangelo to absurdity. All arts describe a parabola. The force which produces them causes them to rise throughout their growth up to a certain point, and then to descend more gradually in a long and slanting line of regular declension. There is ...
— Sketches and Studies in Italy and Greece, Second Series • John Addington Symonds

... for this 'variation, but it always settles between west and south-southwest. The future lies that way to me, and the earth seems more unexhausted and richer on that side. The outline which would bound my walks would be, not a circle, but a parabola, or rather like one of those cometary orbits which have been thought to be non-returning curves, in this case opening westward, in which my house occupies the place of the sun. I turn round and round irresolute sometimes ...
— Excursions • Henry D. Thoreau



Words linked to "Parabola" :   parabolic, conic section, parabolical, conic



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