orthogonalization
/ɔːˌθɒɡən(ə)lʌɪˈzeɪʃn/(also orthogonalisation)
noun
The process of orthogonalizing something; (Mathematics ) the procedure of constructing an orthogonal set of functions or vectors from ones that are linearly independent but not orthogonal.
Origin
1920s; earliest use found in Proceedings of the London Mathematical Society. From orthogonalize + -ation.