adjective co·terminal \(ˈ)kō+\

Definition of coterminal

  1. :  having different angular measure but with the vertex and sides identical —used of angles generated by the rotation of lines about the same point in a given line whose values differ by an integral multiple of 2π radians or of 360° coterminal angles measuring 30° and 390°

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Origin and Etymology of coterminal

co- + 1terminal

Seen and Heard

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a trip made at another's expense

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