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
Jankin	-	Medieval English
Odell	[əu'del]
Apollonia	-	Ancient Greek, Italian
Kelsi	KEL-see	English (Modern)
Ezechias	-	Biblical Latin
Alf (2)	ALF	English