noun, plural ver·tex·es, ver·ti·ces [vur-tuh-seez] /ˈvɜr təˌsiz/.
- the point farthest from the base: the vertex of a cone or of a pyramid.
- a point in a geometrical solid common to three or more sides.
- the intersection of two sides of a plane figure.
Origin of vertex
Can be confusedvertex vortex
Examples from the Web for vertex
The point where these circles intersect—that they intersect Euclid quietly assumes—is the vertex of the required triangle.
After the habitat he adds: "Color Tetricis feminae; vertex subcristatus; a tergo colli duae parvae alae: singulae pennis quinque."Extinct Birds|Walter Rothschild
This man had a large, ulcerated and bleeding nævus on the vertex of his head, which threatened a speedy death.The History of Dartmouth College|Baxter Perry Smith
The point where the axis intersects the surface is the vertex S (fig. 7).
Facial angle: the angle formed by the junction of the face and vertex.Explanation of Terms Used in Entomology|John. B. Smith
British Dictionary definitions for vertex
noun plural -texes or -tices (-tɪˌsiːz)
- the point opposite the base of a figure
- the point of intersection of two sides of a plane figure or angle
- the point of intersection of a pencil of lines or three or more planes of a solid figure