Found 2 items, similar to deceleration.
English → English (WordNet) Definition: deceleration deceleration n : a decrease in speed; “the deceleration of the arms race” [syn: slowing, retardation] [ant: acceleration]
English → English (gcide) Definition: deceleration deceleration \deceleration\ n. a decrease in velocity. Opposite of acceleration Syn: slowing, retardation. [WordNet 1.5]