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