(music) Abbreviation of accelerando.

(colloquial) acceleration

Relating to acceleration; adding to velocity; quickening.

In an accelerative manner or context.

plural of accel

Abbreviation of acceleration.

(transitive) To cause to move faster; to quicken the motion of; to add to the speed of. / (transitive) To quicken the natural or ordinary progression or process of.

(rare) Accelerated; quickened; hastened; hurried.

One who, or that which, accelerates. / A device for causing acceleration. / (chemistry) A substance which speeds up chemical reactions.

(uncountable) The act of accelerating, or the state of being accelerated; increase of motion or action; as opposed to retardation or deceleration.