vertex
UK /ˈvɜː.tɛks/ · US /ˈvɝˌtɛks/ noun
Forms vertices vertexes vertice
- noun The highest point, top or apex of something. “The mountain’s vertex was covered in snow.”
- noun (anatomy) The highest surface on the skull; the crown of the head.
- noun The common point of the two rays that form an angle.
- noun The point at which an axis meets a curve or surface.
- noun (mathematics) A point on the curve with a local minimum or maximum of curvature.
- noun (graph theory) One of the elements of a graph joined or not by edges to other vertices.
- noun (computer graphics) A point in 3D space, usually given in terms of its Cartesian coordinates.
- noun (optics) The point where the surface of a lens crosses the optical axis.
Synonyms
Antonyms
Etymology
Late Middle English, borrowed from Latin vertex (“whirl, eddy; top, crown, peak, summit”). Doublet of vortex.
Webster’s 1913
- noun A turning point; the principal or highest point; top; summit; crown; apex. Specifically: --(a) (Anat.)
- noun The top, or crown, of the head.
Etymology [L. vertex, -icis, a whirl, top of the head, top, summit, from vertere to turn. See Verse, and cf. Vortex.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “vertex”, CC BY-SA 4.0. Details