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