Englishfor English speakers
heaving
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noun
(= heave)
an upward movement (especially a rhythmical rising and falling)
the heaving of waves on a rough sea
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noun
(= heave)
throwing something heavy (with great effort)
he gave it a mighty heave
he was not good at heaving passes
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noun
(= heave)
the act of lifting something with great effort
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noun
(= panting)
breathing heavily (as after exertion)
acceleration
Noun
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Acceleration is a change in speed.
As the plane took off, the acceleration pressed her into her seat.
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Acceleration is by how much a speed or velocity goes up.
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derivative for velocity,has formula matha=\lim_{\Delta x \to 0}\frac{\Delta v}{\Delta t}/math .