transmission channel,
channel a passage for water (or other fluids) to flow through; "the fields were crossed with irrigation channels"; "gutters carried off the rainwater into a series of channels under the street"
channels official routes of communication; "you have to go through channels"
mass medium,
medium an intervening substance through which signals can travel as a means for communication
sending the act of causing something to go (especially messages)
forwarding the act of sending on to another destination; "the forwarding of mail to a new address is done automatically"; "the forwarding of resumes to the personnel department"
mailing,
posting the transmission of a letter; "the postmark indicates the time of mailing"
transmission -
an incident in which an infectious disease is transmitted
transmission -
The right possessed by an heir or legatee of transmitting to his successors any inheritance, legacy, right, or privilege, to which he is entitled, even if he should die without enjoying or exercising it.