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