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acceleration    音標拼音: [,æks,ɛlɚ'eʃən]
n. 加速,促進,加速度

加速,促進,加速度

acceleration
加速時間

acceleration
加速

acceleration
n 1: an increase in rate of change; "modern science caused an
acceleration of cultural change" [ant: {deceleration},
{retardation}, {slowing}]
2: the act of accelerating; increasing the speed [synonym:
{acceleration}, {quickening}, {speedup}] [ant:
{deceleration}]
3: (physics) a rate of increase of velocity [ant:
{deceleration}]

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]

40 Moby Thesaurus words for "acceleration":
accelerando, aggravation, beefing-up, blowing up, blowup,
concentration, condensation, consolidation, deepening, double time,
double-quick, double-quick time, drive, enhancement, exacerbation,
exaggeration, explosion, festination, forced march, forwarding,
getaway, hastening, heating-up, heightening, hurrying, impetus,
information explosion, intensification, magnification, pickup,
population explosion, quickening, redoubling, reinforcement,
speeding, speedup, step-up, strengthening, thrust, tightening



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