பொருள் : (physics) an abrupt transition of an electron or atom or molecule from one quantum state to another with the emission or absorption of a quantum.
பொருள் : A sudden large increase or advance.
எடுத்துக்காட்டு :
This may not insure success but it will represent a quantum leap from last summer.
ஒத்த சொற்கள் : quantum leap