deceleration

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a decrease in rate of change
  2. noun (physics) a rate of decrease in velocity
  3. noun the act of decelerating; decreasing the speed

Etymology

From de- + (ac)celeration.

In classic literature

Synonyms

slowing, retardation

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