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