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