accelerative

[ak-sel-uh-rey-tiv, -er-uh-tiv]

adjective

tending to accelerate; increasing the velocity of.

Also ac·cel·er·a·to·ry

[ak-sel-er-uh-tawr-ee, -tohr-ee] /ækˈsɛl ər əˌtɔr i, -ˌtoʊr i/.

Origin of accelerative

First recorded in 1745–55; accelerate + -ive

Related formsnon·ac·cel·er·a·tive, adjectivenon·ac·cel·er·a·to·ry, adjectiveun·ac·cel·er·a·tive, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019