Definition of arc noun from the Oxford Advanced American Dictionary

     

    arc

     noun
    noun
    NAmE//ɑrk//
     
     
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  1. 1(geometry) part of a circle or a curved line to draw an arc using a compass
  2. 2a curved shape the arc of a rainbow The beach swept around in an arc.
  3. 3 (technology) an electric current passing across a space between two terminals see also arc light
See the Oxford Advanced Learner's Dictionary entry: arc

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