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transducer

noun [C]
 
 
/trænzˈdjuː.sər/ US  /trɑːnsˈduː.sɚ/ specialized

Definition

any electronic device that changes one form of energy into another, such as a microphone, which changes sound waves into electrical signalsAudio and video equipmentLaboratory equipment
(Definition of transducer noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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