Quantum leap meaning in hindi

How to pronounce Quantum leap
As noun : तगैय्युर
बहुत बड़ा परिवर्तन
Other : आकस्मिक उन्नति. Ex:  this may not insure success but it will represent a quantum leap from last summer
Examples
Usage of Quantum leap in sentences

The word can be used as noun in hindi and have more than one meaning. 
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