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