transmission

transmission is on the Academic Word List.

Noun

(uncountable) Transmission is the sending of something from one place to another, usually something like electricity, a message or a disease.
Washing before touching food can prevent the transmission of disease in food and drink.

The new communication lines and will be able to support data transmission at speeds four times faster than today.

The National Transmission System is a network of thousands of kilometres of wire.
(countable) A transmission is a signal, such as TV or radio, that is sent from one place to another.
Radio stations have promised live transmission from the concert.
(countable & uncountable) A transmission in a machine is the parts that transfer the engine's movement to the wheels or other moving parts.
The car comes with a four-speed automatic transmission.