Definition of scale-up:
(n) :
An ordered, usually numerical sequence used for measurement; means of assigning a magnitude.
(n) :
Size; scope.
(n) :
The ratio of depicted distance to actual distance.
(v) :
(transitive) To change the size of something whilst maintaining proportion; especially to change a process in order to produce much larger amounts of the final product.
(n) :
A device to measure mass or weight.
(n) :
(music) A series of notes spanning an octave, tritave, or pseudo-octave, used to make melodies.