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