American English

Definition of vertex noun from the Oxford Advanced American Dictionary

     

    vertex

     noun
    noun
    NAmE//ˈvərtɛks//
     
    (pl. vertices
    NAmE//ˈvərt̮əsiz//
     
    , (or )vertexes)
     
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  1. 1(geometry) a point where two lines meet to form an angle, especially the point of a triangle or cone opposite the base
  2. 2(technology) the highest point or top of something
See the Oxford Advanced Learner's Dictionary entry: vertex