transmission

noun

1. (countable, uncountable)The act of transmitting, e.g. data (signals) or electric power.
2. (countable, uncountable)The fact of being transmitted.
3. (countable, uncountable)Something that is transmitted, such as a message, picture, or a disease; the sending of such a thing.
4. (countable, uncountable)The passage of a nerve impulse across synapses.
5. (countable, uncountable)A device, usually an assembly of gears (gearbox) plus a clutch or torque converter, through which power is sent from the engine to the driveshaft in an automobile (motor car or motor truck).

   “Any vehicle with an internal combustion engine needs a transmission that can alter the gear ratio (engine RPM to wheel RPM) as the vehicle's speed changes.”

6. (countable, uncountable)The right possessed by an heir or legatee of transmitting to his successor(s) any inheritance, legacy, right, or privilege, to which he is entitled, even if he should die without enjoying or exercising it.
7. (countable, uncountable)The passing of a pathogen or communicable disease from an infected host individual or group to a conspecific individual or group.
8. (countable, uncountable)The passing down of a text through time.