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
Kaja (1)	KAH-yah (Swedish, Estonian)	Norwegian, Danish, Swedish, Estonian, Slovene
Wenzeslaus	-	German
Alphonse	al-FAWNS	French
Simona	-	Italian, Czech, Slovak, Romanian, Lithuanian, Slovene, Bulgarian, Macedonian
Gertie	['gɜ:ti]
Marloes	mahr-LOOS	Dutch