noun \tran(t)s-ˈmi-shən, tranz-\

: the act or process of sending electrical signals to a radio, television, computer, etc.

: something (such as a message or broadcast) that is transmitted to a radio, television, etc.

: the act or process by which something is spread or passed from one person or thing to another

Full Definition of TRANSMISSION

:  an act, process, or instance of transmitting <transmission of a nerve impulse across a synapse>
:  the passage of radio waves in the space between transmitting and receiving stations; also :  the act or process of transmitting by radio or television
:  an assembly of parts including the speed-changing gears and the propeller shaft by which the power is transmitted from an engine to a live axle; also :  the speed-changing gears in such an assembly
:  something that is transmitted :  message
trans·mis·sive \-ˈmi-siv\ adjective
trans·mis·siv·i·ty \ˌtran(t)s-(ˌ)mi-ˈsi-və-tē, ˌtranz-\ noun


  1. The equipment is used for the transmission of television signals.
  2. We are receiving a live transmission from the scene of the accident.
  3. the transmission of knowledge from one generation to the next
  4. My car has a manual transmission.
  5. This car comes with automatic transmission.


Middle French, from Latin transmission-, transmissio, from transmittere to transmit
First Known Use: 1611

Other Automotive Terms

articulated, block, choke, clutch, diesel, neutral


noun \tran(t)s-ˈmish-ən, tranz-\   (Medical Dictionary)

Medical Definition of TRANSMISSION

: an act, process, or instance of transmitting <transmission of HIV> <synaptic transmission>


noun    (Concise Encyclopedia)

A four-speed manual transmission. Power from the rotating input shaft turns the countershaft (or …—© Merriam-Webster Inc.

System in an engine that transmits power generated by the engine to the point where it is to be used. Most mechanical transmissions function as rotary speed changers; the ratio of the output speed to the input speed may be either constant (as in a gearbox) or variable. On variable-speed transmissions, the speeds may be variable in individual steps (as on an automobile or some machine-tool drives) or continuously variable within a range. Step-variable transmissions, with some slip, usually use either gears or chains and provide fixed speed ratios with no slip; stepless transmissions use belts, chains, or rolling-contact bodies.


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