Definition of transmissions:
(n) :
The act of transmitting, e.g. data (signals) or electric power.
(n) :
Something that is transmitted, such as a message, picture, or a disease; the sending of such a thing.
(n) :
(automotive, trucking, heavy equipment) 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).
(n) :
The fact of being transmitted.
(n) :
(medicine, biology) The passing of a pathogen or communicable disease from an infected host individual or group to a conspecific individual or group.
(n) :
(biology) The passage of a nerve impulse across synapses.