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.
- vertebroarterial foramen,
- vertebrocostal trigone,
- vertex presentation,
- vertical angle,
- vertical angles,
- vertical banded gastroplasty
Origin of vertex
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
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
Word Origin for vertex
1560s, "the point opposite the base in geometry," from Latin vertex "highest point," literally "the turning point," originally "whirling column, whirlpool," from vertere "to turn" (see versus). Meaning "highest point of anything" is first attested 1641.