quantum jump

A sudden or important change or improvement. That brand-new shopping center is a quantum jump from the old, run-down mall that used to be in that location.

Common Names:

Name	Pronounced	Usage
Chantelle	shawn-TEL, shan-TEL	English
Sanchez	['sa:ntʃəs]
Marmaduke	MAHR-mə-dook	English (British, Rare)
Fionnuala	-	Irish, Irish Mythology
Inma	-	Spanish
Zareen	-	Persian