vertex
IPA: vˈɝtɛks
noun
- The highest point, top or apex of something.
- (anatomy) The highest surface on the skull; the crown of the head.
- (geometry) An angular point of a polygon, polyhedron or higher order polytope.
- The common point of the two rays that form an angle.
- The point at which an axis meets a curve or surface.
- (mathematics) A point on the curve with a local minimum or maximum of curvature.
- (graph theory) One of the elements of a graph joined or not by edges to other vertices.
- (computer graphics) A point in 3D space, usually given in terms of its Cartesian coordinates.
- (optics) The point where the surface of a lens crosses the optical axis.
- (particle physics) An interaction point.
- (astrology) The point where the prime vertical meets the ecliptic in the western hemisphere of a natal chart.
- (typography) A sharp downward point opposite a crotch, as in the letters "V" and "W" but not "Y".
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Examples of "vertex" in Sentences
- It has a spike at each vertex.
- Otherwise the vertex is unmatched.
- The diagonals determine the vertex type.
- The vertex is the point where the parabola changes directions.
- The radius of a graph is the minimum eccentricity of any vertex.
- The angle at the upper vertex equals the latitude of the observer.
- It is guaranteed to be the vertex of the convex hull of the polygon.
- Vega is the northeastern vertex of the three stars of the Summer Triangle.
- The length of the altitude is the distance between the base and the vertex.
- The point of intersection of this axis and the parabola is called the vertex.
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