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