powernumber
nounUK /ˈpaʊəˌnʌmbə/
US /ˈpaʊərˌnʌmbər/
A powernumber is a special number that shows how many times a number is multiplied by itself.
In the powernumber 2³, the small 3 tells you to multiply 2 by itself three times.
RELATED WORDS
OTHER MEANINGS
2. A number that indicates strength or influence in a game or ranking.
Her character's powernumber went up after she won the battle.
3. A phone number used to reach an emergency or important service.
Save the powernumber for the fire station on your fridge.
4. A number that gives a machine or device extra energy or ability.
The toy car's powernumber shows how fast it can go.