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