English
vertex
Etymology

Late Middle English, borrowed from Latin vertex.

Pronunciation
  • (RP) IPA: /ˈvɜː.tɛks/
  • (America) IPA: /ˈvɝˌtɛks/
Noun

vertex

  1. The highest point, top or apex of something.
    Synonyms: acme, apex, peak, top
    Antonyms: fundus
    1. (anatomy) The highest surface on the skull; the crown of the head.
  2. (geometry) An angular point of a polygon, polyhedron or higher order polytope.
    1. The common point of the two rays that form an angle.
    2. The point at which an axis meets a curve or surface.
  3. (mathematics) A point on the curve with a local minimum or maximum of curvature.
  4. (graph theory) One of the elements of a graph joined or not by edges to other vertices.
    Synonyms: node
    Coordinate term: plot
  5. (computer graphics) A point in 3D space, usually given in terms of its Cartesian coordinates.
  6. (optics) The point where the surface of a lens crosses the optical axis.
  7. (particle physics) An interaction point.
  8. (astrology) The point where the prime vertical meets the ecliptic in the western hemisphere of a natal chart.
  9. (typography) A sharp downward point opposite a crotch, as in the letters "V" and "W" but not "Y".
    Coordinate term: apex
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