complexification

The act or process of making something more complex.

All this represents a change in American society, and a complexification of it.

This fundamental discovery that all bodies owe their origin to arrangements of single initial corpuscular type is the beacon that lights the history of the universe to our eyes. In its own way, matter obeyed from the beginning that great law of biology to which we shall have to recur time and time again, the law of 'complexification'.

An extension from a basis on real numbers to a basis on complex numbers.