Acceleration

Acceleration
Acceleration Ac*cel`er*a"tion, n. [L. acceleratio: cf. F. acc['e]l['e]ration.] 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}. [1913 Webster]

A period of social improvement, or of intellectual advancement, contains within itself a principle of acceleration. --I. Taylor. [1913 Webster] (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} 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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • accélération — [ akselerasjɔ̃ ] n. f. • 1327; lat. acceleratio, de accelerare 1 ♦ Cour. Augmentation de vitesse. L accélération d un mouvement. Cette voiture a des accélérations foudroyantes. Fig. Le fait d aller plus vite. L accélération du pouls, de la… …   Encyclopédie Universelle

  • Acceleration — Accélération L accélération désigne couramment une augmentation de la vitesse; en physique, plus précisément en cinématique, l accélération est une grandeur vectorielle qui indique la modification affectant la vitesse d un mouvement en fonction… …   Wikipédia en Français

  • acceleration — I noun dispatch, expedition, expeditious performance, hastening, hurrying, increase of speed, quickening, shortening of time, speedup, spurt, stepping up a pace associated concepts: acceleration clause, acceleration doctrine, acceleration of a… …   Law dictionary

  • Acceleration — Ac*cel er*a tion, n. [L. acceleratio: cf. F. acc[ e]l[ e]ration.] 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… …   The Collaborative International Dictionary of English

  • acceleration — of a point is the time rate of change of the velocity of the point. centripetal acceleration lateral acceleration longitudinal acceleration normal acceleration side acceleration vehicle acceleration …   Mechanics glossary

  • acceleration — The termination of the debtor s right to pay a debt in installments or at a future maturity date. If a debt is accelerated, the debt becomes immediately due and payable. Many contracts have acceleration clauses entitling the creditor to allow for …   Glossary of Bankruptcy

  • Acceleration — Acceleration, Beschleunigung, beschleunigende Kraft, die ein Körper auf die Bewegung eines andern ausübt. – 2. Acceleration des Mondes nennt die Astronomie die Beschleunigung des Mondlaufes um die Erde, in Folge deren dieser immer kürzer wird,… …   Herders Conversations-Lexikon

  • acceleration — Acceleration. subst. f. v. L action d accelerer. Il faut faire telle chose pour l acceleration de l ouvrage …   Dictionnaire de l'Académie française

  • Acceleration — (v. lat.), 1) Beschleunigung; bes. 2) Vermehrung der Geschwindigkeit; so: A. des Mondes, die immer größer werdende Geschwindigkeit des Mondes, od. die immer kürzere Umlaufszeit des Mondes um die Erde, s. u. Mond; A. der Fixsterne, Verfrühung der… …   Pierer's Universal-Lexikon

  • Acceleration — Acceleration, s. Beschleunigung …   Lexikon der gesamten Technik

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