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