Vertex

Definitions

1. The highest point, top or apex of something.
2. The highest surface on the skull; the crown of the head.
3. An angular point of a polygon, polyhedron or higher order polytope.
4. The common point of the two rays that form an angle.
5. The point at which an axis meets a curve or surface.
6. A point on the curve with a local minimum or maximum of curvature.
7. One of the elements of a graph joined or not by edges to other vertices.
8. A point in 3D space, usually given in terms of its Cartesian coordinates.
9. The point where the surface of a lens crosses the optical axis.
10. An interaction point.
    particle
11. The point where the prime vertical meets the ecliptic in the western hemisphere of a natal chart.
12. A sharp downward point opposite a crotch, as in the letters "V" and "W" but not "Y".

Equivalents

Examples

“The mountain’s vertex was covered in snow⟳.”

“He reached the vertex of his career after decades of work⟳.”

CEFR level