What's the plural form of orthogonalization? Here's the word you're looking for.
Answer
The noun orthogonalization can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be orthogonalization.
However, in more specific contexts, the plural form can also be orthogonalizations e.g. in reference to various types of orthogonalizations
or a collection of orthogonalizations.