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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



... depth and chord to take my Spars and Ribs, and again, I must have a certain chord to make it possible for my Camber (that's curvature) to be just right for the Angle of Incidence. If that's not right the air won't get a nice uniform compression and downward acceleration from my underside, and the rarefied 'suction' area over the top of me will not be as even and clean in effect as it might be. That would spoil the Lift-Drift Ratio more than you can help it. Just thrust that chalk along, will ...
— The Aeroplane Speaks - Fifth Edition • H. Barber

... This staircase, 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

... rate of 42 miles per hour; an unprecedented speed in those days. People then thought themselves most heroic in entrusting their lives to a train that travelled with such terrific velocity as the "Wild Irishman." It was to meet this acceleration that Mr. Ramsbottom, the Locomotive Superintendent of the London and North-Western Railway, devised a scheme for laying water-troughs between the rails, by which the engine could pick up water through a scoop whilst running. I have somewhere seen this claimed as an American innovation, ...
— The Days Before Yesterday • Lord Frederick Hamilton

... the confession on his lips which would otherwise never have escaped them. Thence came the discovery which had sent him home to summon the lawyer to the house. That summons, again, had produced the inevitable acceleration of the Saturday's journey to Friday; the Friday of the fatal accident, the Friday when he went to his death. From his death followed the second bereavement which had made the house desolate; the helpless position of the daughters whose prosperous future had been his dearest ...
— No Name • Wilkie Collins

... there is an ebb and flow of power in our internal mechanism, corresponding to the phases of the moon. I mean, that the blood flows more rapidly, and the powers of nature are more stimulated, at the flood and full, than at the ebb and neap, when a reaction takes place in proportion to the previous acceleration. Dr Mead has observed, that of those who are at the point of death, nine out of ten quit this world at the ebb of the tide. Does not this observation suggest the idea, that nature has relaxed her efforts during that period, after ...
— The King's Own • Captain Frederick Marryat


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