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