(transitive) To reduce the velocity of something. / (transitive) To reduce the rate of advancement of something, such as a disease. / (intransitive) To go slower.

Third-person singular simple present indicative form of decelerate

simple past tense and past participle of decelerate

(uncountable) The act or process of decelerating. / (countable) The amount by which a speed or velocity decreases (and so a scalar quantity or a vector quantity).

plural of decelerator

someone or something that decelerates.

present participle of decelerate

plural of deceleration

Of, relating to, or caused by deceleration.