Definition, Meaning & Synonyms

instantaneous speed

noun
/ˌɪn.stənˈteɪ.ni.əs spiːd/
Definition
The speed of an object at a specific moment in time.
Examples
  • The instantaneous speed of a car can be determined using a speedometer.
  • During the race, the instantaneous speed of the runner was measured at various checkpoints.
  • Instantaneous speed changes as the object speeds up or slows down.
Meaning
Instantaneous speed refers to how fast an object is moving at a particular instant, as opposed to its average speed over a period of time.
Synonyms
  • momentary speed
  • current speed
  • instant speed