Accelerative

//ɪkˈsɛl.əˌɹeɪt.ɪv// adj

Definitions

Adjective
  1. 1
    Relating to acceleration; adding to velocity; quickening.

    "The accelerative powers of a diesel unit like this are such that allowances for delays must be less than those with steam power: [...]"

Adjective
  1. 1
    tending to increase velocity wordnet

Etymology

From accelerate + -ive.

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