accelerating

n. quickening, hastening

v. cause to move or happen faster, hasten; increase the speed of, quicken

In physics, acceleration is defined as the rate of change of velocity, or, equivalently, as the second derivative of position. It is thus a vector quantity with dimension length/time². In SI units, acceleration is measured in metres/second² (m·s-²). The term "acceleration" generally refers to the change in instantaneous velocity.
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Adjective
1. increasing in speed; becoming progressively faster; "the accelerating inflation was cause for great concern"
(similar) fast

Verb
1. move faster; "The car accelerated"
(synonym) speed up, speed, quicken
(antonym) decelerate, slow, slow down, slow up, retard
(hypernym) intensify, deepen
(hyponym) brisk, brisk up, brisken
2. cause to move faster; "He accelerated the car"
(synonym) speed, speed up
(antonym) decelerate, slow down
(hypernym) modify, qualify
(derivation) acceleration

(p. pr. & vb. n.)
of Accelerate
  

accelerating /æk'seləreitiɳ/
tính từ làm nhanh thêm gia tốcaccelerating force: (vật lý) lực gia tốc
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