Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of acceleration is as below...

Acceleration :: 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..

Retardation :: Retardation (n.) The act of retarding; hindrance; the act of delaying; as, the retardation of the motion of a ship; -- opposed to acceleration..

Accelerative :: Accelerative (a.) Relating to acceleration; adding to velocity; quickening.

Instantaneous :: Instantaneous (a.) At or during a given instant; as, instantaneous acceleration, velocity, etc..

Fever :: Fever (n.) A diseased state of the system, marked by increased heat, acceleration of the pulse, and a general derangement of the functions, including usually, thirst and loss of appetite. Many diseases, of which fever is the most prominent symptom, are denominated fevers; as, typhoid fever; yellow fever..

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