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transponder

Syllabification: tran·spon·der
Pronunciation: /ˌtranˈspändər
 
/

Definition of transponder in English:

noun

A device for receiving a radio signal and automatically transmitting a different signal.
Example sentences
  • The line includes power supplies, transmitters, optical amplifiers, digital transponders, return-path receivers, fiber-node platforms and Ethernet access devices.
  • The transponder transmits this coded signal using the tuned circuit.
  • They captured these recruits as they left the hive, attached a radar transponder to them and then tracked their flight paths using harmonic radar.

Origin

1940s: blend of transmit and respond, + -er1.

Definition of transponder in:

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