[ trans-mish-uhn, tranz- ]
/ trænsˈmɪʃ ən, trænz- /


the act or process of transmitting.
the fact of being transmitted.
something that is transmitted.
  1. transference of force between machines or mechanisms, often with changes of torque and speed.
  2. a compact, enclosed unit of gears or the like for this purpose, as in an automobile.
Radio and Television. the broadcasting of electromagnetic waves from one location to another, as from a transmitter to a receiver.
Physics. transmittance.

Nearby words

  1. transmigration,
  2. transmisogyny,
  3. transmissible,
  4. transmissible encephalopathy,
  5. transmissible spongiform encephalopathy,
  6. transmission density,
  7. transmission line,
  8. transmissive,
  9. transmissively,
  10. transmissivity

Origin of transmission

1605–15; < Latin trānsmissiōn- (stem of trānsmissiō) a sending across, equivalent to trānsmiss(us) (past participle of trānsmittere to send across) + -iōn- -ion. See trans-, mission

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for transmission

British Dictionary definitions for transmission


/ (trænzˈmɪʃən) /


Derived Forms

Word Origin for transmission

C17: from Latin transmissiō a sending across; see transmit

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for transmission



1610s, "conveyance from one place to another," from Latin transmissionem (nominative transmissio) "a sending over or across, passage," from transmissus, past participle of transmittere "send over or across" (see transmit). Meaning "part of a motor vehicle that regulates power from the engine to the axle" is first recorded 1894.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for transmission


[ trăns-mĭshən, trănz- ]


The conveyance of disease from one person to another.
The passage of a nerve impulse across synapses or at myoneural junctions.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.