transmission
/trænsˈmɪʃən/
noun
plural -sions
[noncount] :the act or process of sending electrical signals to a radio, television, computer, etc.
[count] :something (such as a message or broadcast) that is transmitted to a radio, television, etc.
[noncount] :the act or process by which something is spread or passed from one person or thing to another
the part of a vehicle that uses the power produced by the engine to turn the wheels [count]