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
Harden	['hɑ:dn]
SignÝ	-	Ancient Scandinavian, Norse Mythology, Icelandic
Marcie	MAHR-see	English
Laraine	-	English
Radclyffe	RAD-klif	English (Rare)
Lily	['lili]