constantspeed

noun
UK /ˈkɒnstənt spiːd/
US /ˈkɑːnstənt spiːd/

A speed that stays the same and does not get faster or slower.

The toy train moved at a constant speed around the track.


OTHER MEANINGS

2. A speed that does not change over time in a physics experiment.

The car traveled at a constant speed of 60 miles per hour.

3. A setting on a machine that keeps it running at one steady rate.

Set the treadmill to constant speed so your pace stays even.

4. A way of moving without speeding up or slowing down.

The fan spun at a constant speed all night.