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Definition of transponder noun from the Oxford Advanced Learner's Dictionary

transponder

noun
 
/trænˈspɒndə(r)/
 
/trænˈspɑːndər/
(specialist)
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  1. a device that receives a radio signal and then sends out a different signal in reply
    Word Origin1940s: blend of transmit and respond, + -er.
See transponder in the Oxford Advanced American Dictionary
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Nearby words

trait
noun
 
 
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