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