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Definition of coaxial adjective from the Oxford Advanced Learner's Dictionary

coaxial

adjective
 
/kəʊˈæksiəl/
 
/kəʊˈæksiəl/
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  1. (geometry) sharing a common axis (= an imaginary line through the middle of an object)Topics Maths and measurementc2
  2. (also informal coax)
    [only before noun] (of a cable) sending signals using two wires inside one cable, one of which is wrapped around the other. Coaxial cable is used by TV, phone and internet companies.Topics Engineeringc2

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