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