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