An Etymological Dictionary of Astronomy and Astrophysics

In computer science, to upgrade a system by increasing the number of nodes.
For example, instead of going from a CPU of X and memory of Y to a CPU with 4X and 4Y memory, use 4 machines with CPU of X and memory of Y. This is a type of → horizontal scaling. See also → scale in, → scale up, → scale down.

See also: → scale; → out.