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