acceleration

nounC1

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Danh từ

noun

Plural noun:

accelerationsacc.a.

1.
(uncountable)The act of accelerating, or the state of being accelerated; increase of motion or action; as opposed to retardation or deceleration.
A falling body moves toward the earth with an acceleration of velocity.
2.
(countable)The amount by which a speed or velocity increases (and so a scalar quantity or a vector quantity).
The boosters produce an acceleration of 20 metres per second per second.
3.
(countable, uncountable)(physics) The change of velocity with respect to time (can include deceleration or changing direction).
4.
(countable, uncountable)The advancement of students at a rate that places them ahead of where they would be in the regular school curriculum.

Từ liên quan

Trái nghĩa

decelerationretardationdeceleration, retardation

Cùng gốc / liên quan

accelerationalantiaccelerationmicroaccelerationnonacceleration overaccelerationpostaccelerationreaccelerationunderaccelerationacceleration clausecentripetal accelerationacceleration of freefallaccelerationismaccelerationistacceleration of gravityacceleration principleangular accelerationautoaccelerationcardioaccelerationcelerationdeacceleration

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Nguồn gốc từ

ine-pro First attested in 1531. From French accélération or more likely directly from Latin accelerātiō (a hastening, acceleration). Equivalent to accelerate + -ion.