speedchange
nounUK /ˈspiːd.tʃeɪndʒ/
US /ˈspiːd.tʃeɪndʒ/
A speedchange is when something starts moving faster or slower.
The car made a speedchange as it went up the hill.
RELATED WORDS
OTHER MEANINGS
2. A change in the gear a machine uses.
The bike's speedchange helped him climb the steep road.
3. A moment when the rate of something changes.
There was a speedchange in the music before the chorus.
4. An adjustment to how fast a process runs.
The factory made a speedchange to finish the order on time.