quantum leap
noun/ˌkwɒntəm ˈliːp/
/ˌkwɑːntəm ˈliːp/
(also less frequent quantum jump)
- a sudden, great and important change, improvement or development
- This discovery marks a quantum leap forward in the fight against cancer.
- There has been a quantum leap in profits since 2020.
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
Check pronunciation:
quantum leap