0 a great improvement or important development in something:
1 a great improvement or important advance in something:
It was a revolutionary generation of computers that was a quantum leap beyond anything on the market.
2 a very large improvement or development in something:
Local diagnostic services underwent a quantum leap with the availability of paediatric echocardiography services after 1988.
Complexity takes a quantum leap when more than one such series is played at a time, forming parallel streams that may be heterophonic, contrapuntal or harmonic.
This quantum leap, this change, this new chapter must be noticeable at the first summit.
Tourism receives such a small budget that even a quantum leap in funds would not make a dent in some of the other government budgets.
Plant breeding programmes occur over decades and generations and are essentially gradual, whereas genetic modification programmes involve an almost immediate quantum leap.
Reference has been made to the militarily dyslexic assertion that the type 42 and new type 45 destroyers "will herald a quantum leap in our maritime air defence capability".
Richmond then made the quantum leap to the top of the ladder in 1967.
Quantum leaps need to be made in education and training.
