Wiktionary
n. 1 (context uncountable English) The act or process of making something more complex. 2 (context countable mathematics English) An extension from a basis on real numbers to a basis on complex numbers.
Wikipedia
In mathematics, the complexification of a real vector space V is a vector space V over the complex number field obtained by formally extending scalar multiplication to include multiplication by complex numbers. Any basis for V over the real numbers serves as a basis for V over the complex numbers.
Usage examples of "complexification".
This, however, I perceive as a further complexification of my four-way psychic stretch and not as the inevitable, irrefragable and synergetic fifth step.
And the Fecundity (Plenitude) of Nature has one law, he maintains: progressive diversification (what we would call progressive complexification or differentiation).
I only assisted the inevitable complexification of the World Mind that accompanies life's evolution.
At that point, a vast metapsychic complexification will take place —if Milieu Unity theory is correct in assessing the evolution of the Human Mind.
In the same way as biological evolution is an antientropic process, leading towards ever more complex states of physical organization, so technological culture (the culmination of a million years of evolution) involves an ongoing process of complexification and expansion.
There is a drive toward complexification that is directly opposed to the physical law of entropy.