1. the act of sending a message; causing a message to be transmitted

Similar word(s): transmittal, transmitting

Definition categories: act, sending

2. communication by means of transmitted signals

Definition categories: communication, communicating

3. the fraction of radiant energy that passes through a substance

Similar word(s): transmittance

Definition categories: quantity, coefficient

4. an incident in which an infectious disease is transmitted

Similar word(s): contagion, infection

Definition categories: event, incident

5. the gears that transmit power from an automobile engine via the driveshaft to the live axle

Definition categories: man–made, gear