trans·​mis·​sion | \ tran(t)s-ˈmi-shən How to pronounce transmission (audio) , tranz- \

Definition of transmission

1 : an act, process, or instance of transmitting transmission of a nerve impulse across a synapse
2 : the passage of radio waves in the space between transmitting and receiving stations also : the act or process of transmitting by radio or television
3 : an assembly of parts including the speed-changing gears and the driveshaft by which the power is transmitted from an engine to a live axle also : the speed-changing gears in such an assembly
4 : something that is transmitted : message

Other Words from transmission

transmissive \ tran(t)s-​ˈmi-​siv How to pronounce transmission (audio) , ˌtranz-​ \ adjective
transmissivity \ ˌtran(t)s-​(ˌ)mi-​ˈsi-​və-​tē How to pronounce transmission (audio) , ˌtranz-​ \ noun

Did you know?

Since trans- means "across", it's not hard to see the meaning of transmission. Disease transmission occurs when an infection passes from one living thing to another. TV signal transmission can be interrupted by tree leaves, including moving leaves and branches during a storm. Your car's transmission transmits the engine's power to the axle, changing the gears to keep the engine working with maximum efficiency at various speeds.

Examples of transmission in a Sentence

The equipment is used for the transmission of television signals. We are receiving a live transmission from the scene of the accident. the transmission of knowledge from one generation to the next My car has a manual transmission. This car comes with automatic transmission.
Recent Examples on the Web That said, waning effectiveness and higher transmission rates have led to an increase in the share of Covid-19 deaths among vaccinated people. Dr. Sanjay Gupta, CNN, 12 May 2022 Manhattan and Staten Island, respectively, have the highest transmission rates per 100,000 residents. Julia Musto, Fox News, 3 May 2022 Mitigating transmission rates, 79 percent of county residents have received at least one dose of the vaccine. Katie Kilkenny, The Hollywood Reporter, 30 Apr. 2022 Consider wearing a mask when transmission rates rise and avoiding indoor, large public gatherings when case rates are high. Kristen Jordan Shamus, Detroit Free Press, 21 Apr. 2022 Dyngus Day Cleveland was planned at the venue with tickets to control crowd sizes due to formerly high coronavirus transmission rates, said founder DJ Kishka (aka Justin Gorski). Annie Nickoloff, cleveland, 18 Apr. 2022 The center is asking people to stop using bird feeders and bird baths for the next couple of months, until there is a significant decline in transmission rates. Carolyn L. Todd, SELF, 15 Apr. 2022 The Yankees president, Randy Levine, personally reached out to the mayor’s team and encouraged officials to consider that baseball is played outdoors where Covid transmission rates are lower than indoors. New York Times, 24 Mar. 2022 In 2021, 53 domestic animals were exposed to a rabid animal, but because the majority of pets are routinely vaccinated against the virus, Rigler said, transmission rates to and from pets remain low. Julie Luchetta, The Arizona Republic, 20 Mar. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'transmission.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of transmission

1611, in the meaning defined at sense 1

History and Etymology for transmission

Middle French, from Latin transmission-, transmissio, from transmittere to transmit

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Time Traveler for transmission

Time Traveler

The first known use of transmission was in 1611

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Statistics for transmission

Last Updated

16 May 2022

Cite this Entry

“Transmission.” Dictionary, Merriam-Webster, Accessed 26 May. 2022.

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More Definitions for transmission


trans·​mis·​sion | \ trans-ˈmi-shən How to pronounce transmission (audio) \

Kids Definition of transmission

1 : an act or process of transmitting, spreading, or passing along the transmission of a disease
2 : the gears that pass power from the engine to the axle that gives motion to a motor vehicle


trans·​mis·​sion | \ tran(t)s-ˈmish-ən How to pronounce transmission (audio) , tranz- How to pronounce transmission (audio) \

Medical Definition of transmission

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


trans·​mis·​sion | \ tranz-ˈmi-shən, trans- How to pronounce transmission (audio) \

Legal Definition of transmission

: an act, process, or instance of transmitting


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