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