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