QUANTUM LEAP


Meaning of QUANTUM LEAP in English

ˌquantum ˈleap BrE AmE ( also ˌquantum ˈjump ) noun [countable]

a very large and important development or improvement

quantum leap in

There has been a quantum leap in the range of the wines sold in the UK.

The treatment of breast cancer has taken a quantum leap forward.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.