DECELERATION

Pronunciation (US): (GB):

Meaning:

The act of decelerating; decreasing the speed

Example:

he initiated deceleration by braking

Classified under:

Nouns denoting acts or actions

Hypernyms ("deceleration" is a kind of...):

hurrying; speed; speeding (changing location rapidly)

Antonym:

acceleration (the act of accelerating; increasing the speed)

Meaning:

A decrease in rate of change

Example:

the deceleration of the arms race

Synonyms:

deceleration; retardation; slowing

Classified under:

Nouns denoting attributes of people and objects

Hypernyms ("deceleration" is a kind of...):

alteration; change; modification (an event that occurs when something passes from one state or phase to another)

Antonym:

acceleration (an increase in rate of change)

Derivation:

decelerate (reduce the speed of)

decelerate (lose velocity; move more slowly)

Meaning:

(physics) a rate of decrease in velocity

Classified under:

Nouns denoting time and temporal relations

Hypernyms ("deceleration" is a kind of...):

rate (a magnitude or frequency relative to a time unit)

Domain category:

natural philosophy; physics (the science of matter and energy and their interactions)

Antonym:

acceleration ((physics) a rate of increase of velocity)