Vertex Ver"tex, n.; pl. {Vertexes}, L. {Vertices}. [L. vertex, -icis, a whirl, top of the head, top, summit, from vertere to turn. See {Verse}, and cf. {Vortex}.] A turning point; the principal or highest point; top; summit; crown; apex. Specifically: [1913 Webster] (a) (Anat.) The top, or crown, of the head. [1913 Webster] (b) (Anat.) The zenith, or the point of the heavens directly overhead. [1913 Webster] (c) (Math.) The point in any figure opposite to, and farthest from, the base; the terminating point of some particular line or lines in a figure or a curve; the top, or the point opposite the base. [1913 Webster]

Note: The principal vertex of a conic section is, in the parabola, the vertex of the axis of the curve: in the ellipse, either extremity of either axis, but usually the left-hand vertex of the transverse axis; in the hyperbola, either vertex, but usually the right-hand vertex of the transverse axis. [1913 Webster]

{Vertex of a curve} (Math.), the point in which the axis of the curve intersects it.

{Vertex of an angle} (Math.), the point in which the sides of the angle meet.

{Vertex of a solid}, or {Vertex of a surface of revolution} (Math.), the point in which the axis pierces the surface. [1913 Webster]

The Collaborative International Dictionary of English. 2000.


Look at other dictionaries:

  • Vertex — (Latin: corner; plural vertices or vertexes) may refer to:Mathematics*Vertex (geometry), a corner point of a polygon, polyhedron, tesselation, etc. *Vertex (graph theory), a node in a graph *Vertex (curve), a local extreme point of curvature… …   Wikipedia

  • vertex — [ vɛrtɛks ] n. m. • v. 1560; mot lat. « sommet de la tête » ♦ Anat. Point le plus élevé sur la ligne médiane de la voûte du crâne. ● vertex nom masculin invariable (latin vertex, icis, sommet culminant) Sommet de la tête, tant chez l homme et les …   Encyclopédie Universelle

  • vertex — VÉRTEX s.n. 1. (anat.) Sinciput. 2. (mar.) Punctul ortodromei cu latitudinea cea mai ridicată. 3. (met.) Punctul cel mai vestic atins de traiectoria unui ciclon. – Din fr., lat. vertex. Trimis de ana zecheru, 13.09.2007. Sursa: DEX 98  VÉRTEX s …   Dicționar Român

  • Vertex — (pl.: Vertices) kommt vom lateinischen vertere: drehen, wenden, und bedeutet zunächst Wendepunkt, Scheitel; ebenso aber allgemeiner Punkt, Knoten – eine Stelle, an der sich Richtungen treffen. Und noch allgemeiner: Punkt, Vektor, n Tupel,… …   Deutsch Wikipedia

  • vertex — (n.) 1560s, the point opposite the base in geometry, from L. vertex highest point, lit. the turning point, originally whirling column, whirlpool, from vertere to turn (see VERSUS (Cf. versus)). Meaning highest point of anything is first attested… …   Etymology dictionary

  • vertex — ► NOUN (pl. vertices or vertexes) 1) the highest point; the top or apex. 2) Geometry each angular point of a polygon, polyhedron, or other figure. 3) a meeting point of two lines that form an angle. 4) Anatomy the crown of the head. ORIGIN Latin …   English terms dictionary

  • Vertex — Vertex, (lat.), so v. w. Scheitel …   Pierer's Universal-Lexikon

  • Vertex — (lat.), Scheitel, s. Kopf …   Meyers Großes Konversations-Lexikon

  • vertex — index ceiling, crossroad (intersection) Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • vertex — *apex …   New Dictionary of Synonyms

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