vertex

From Latin vertex (“top, peak”), from vertere (“to turn”)

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• (Received Pronunciation) IPA^(key): /vɜːteks/

vertex (plural vertices or vertexes)

1. The highest point of something.
2. (anatomy) The highest surface on the skull.
3. (geometry) The common point of the two rays of the angle, or its equivalent structure in polyhedra (meeting of edges) and higher order polytopes.
4. (mathematics) A point on the curve with a local minimum or maximum of curvature.
5. (graph theory) One of the elements of a graph joined or not by edges to other vertices.
6. (computer graphics) A point in 3D space, usually given in terms of its Cartesian coordinates.
7. (optics) The point where the surface of a lens crosses the optical axis.
8. (nuclear or particle physics) An interaction point.
9. (astrology) The point where the prime vertical meets the ecliptic in the western hemisphere of a natal chart.

• (highest point): acme, apex, peak, top
• (element of a graph): node

• (element of a graph): plot

• vertexal
• vertexial
• vertex shader

• Mathworld article on vertices of polyhedra
• Mathworld article on verticies of polygons

From vortex, from vertō.

• (Classical) IPA^(key): /ˈwer.teks/, [ˈwɛr.tɛks]

vertex m (genitive verticis); third declension

1. whirlpool, eddy, vortex
2. crown (of the head)
3. top, peak, summit
4. pole (North or South)

Third-declension noun.

• (top): fundus

• English: vertex
• German: Vertex m
• Portuguese: vértice
• Spanish: vértice

• vertex in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• vertex in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• vertex in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• vertex in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
• Carl Meissner; Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co.
  • the pole: vertex caeli, axis caeli, cardo caeli