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Acceleration   /ˌæksˌɛlərˈeɪʃən/   Listen
noun
Acceleration  n.  The act of accelerating, or the state of being accelerated; increase of motion or action; as, a falling body moves toward the earth with an acceleration of velocity; opposed to retardation. "A period of social improvement, or of intellectual advancement, contains within itself a principle of acceleration."
(Astr. & Physics.)
Acceleration of the moon, the increase of the moon's mean motion in its orbit, in consequence of which its period of revolution is now shorter than in ancient times.
Acceleration of the tides and retardation of the tides. See Priming of the tides, under Priming.
Diurnal acceleration of the fixed stars, the amount by which their apparent diurnal motion exceeds that of the sun, in consequence of which they daily come to the meridian of any place about three minutes fifty-six seconds of solar time earlier than on the day preceding.
Acceleration of the planets, the increasing velocity of their motion, in proceeding from the apogee to the perigee of their orbits.






Collaborative International Dictionary of English 0.48








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"Acceleration" Quotes from Famous Books



... the deck to be in readiness. We were now dead before the wind, the boat far away and abreast of us. I felt an abrupt easing of the schooner, a loss for the moment of all strain and pressure, coupled with a swift acceleration of speed. She was rushing around on ...
— The Sea-Wolf • Jack London

... world's end, or would its supply of radium soon exhaust itself after so many eons of time, converting the rocket into the prey of the first large meteor which chanced that way? Would it some day return to the earth as its nearer approach portended, and increase its acceleration in a long arc to crash upon the surface of the dead planet? And when the rocket terminated its career, would the body of Professor Jameson be found perfectly preserved or merely ...
— The Jameson Satellite • Neil Ronald Jones

... consisting of three hundred and sixty steps, extends downward to a similar depth of eighty-five feet, and forms a sort of well, at the bottom of which you can perceive the light. From this well have been observed the different degrees of acceleration in the ...
— Paris As It Was and As It Is • Francis W. Blagdon

... out of sight in a very few seconds. I did not at first know what to make of this extraordinary phenomenon; not being able to believe that my rate of ascent had, of a sudden, met with so prodigious an acceleration. But it soon occurred to me that the atmosphere was now far too rare to sustain even the feathers; that they actually fell, as they appeared to do, with great rapidity; and that I had been surprised by the united velocities of their descent and ...
— The Works of Edgar Allan Poe - Volume 1 (of 5) of the Raven Edition • Edgar Allan Poe

... the usual style, hoped that he was better; his answer was, 'No, Sir; you cannot conceive with what acceleration ...
— Life Of Johnson, Volume 4 (of 6) • Boswell


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