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