Definition for vertices (2 of 2)
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
Examples from the Web for vertices
At the vertices of a regular tetrahedron may be found such points.The Mystery of Space|Robert T. Browne
FHH′F′; and the relation of the principal points to the vertices is also the same as in the mensicus.
Mechanical means of describing hyperbolas, their foci and vertices being given.The Library of Work and Play: Mechanics, Indoors and Out|Fred T. Hodgson
If a parabola roll on another parabola, their vertices coinciding, the focus of the first traces out the directrix of the second.The Romance of Mathematics|P. Hampson
A cube may be inscribed in an octahedron, its vertices being at the centers of the faces of the octahedron.The Teaching of Geometry|David Eugene Smith
British Dictionary definitions for vertices (1 of 2)
British Dictionary definitions for vertices (2 of 2)
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
Word Origin and History for vertices
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.