vertex
noun
ver·tex
ˈvər-ˌteks 
plural vertices
ˈvər-tə-ˌsēz
also vertexes
also vertexes
1
: the top of the head
2
a
: the point opposite to and farthest from the base in a figure
b
: a point (as of an angle, polygon, polyhedron, graph, or network) that terminates a line or curve or comprises the intersection of two or more lines or curves
c
: a point where an axis of an ellipse, parabola, or hyperbola intersects the curve itself
3
: a principal or highest point : summit
the vertex of the hill
Examples of vertex in a Sentence
Recent Examples on the Web
Now look at the same two vertices, but for one of them, jump up to the vertex directly above it in the top graph.
—
Joseph Howlett, Quanta Magazine, 1 Nov. 2024
The third vertex is desolate Maher Island, off the coast of Antarctica.
—Cullen Murphy, The Atlantic, 11 Oct. 2024
To represent this in two dimensions, again draw an equilateral triangle, followed by a circle centered around one of the triangle’s vertices, with a radius as long as each of the triangle’s legs.
—Max Springer, Scientific American, 7 Aug. 2024
The ideal presentation is the cephalic or vertex position.
—Brandi Jones, Verywell Health, 5 Aug. 2024
See all Example Sentences for vertex 
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Joseph Howlett, Quanta Magazine, 1 Nov. 2024
The third vertex is desolate Maher Island, off the coast of Antarctica.
—Cullen Murphy, The Atlantic, 11 Oct. 2024
To represent this in two dimensions, again draw an equilateral triangle, followed by a circle centered around one of the triangle’s vertices, with a radius as long as each of the triangle’s legs.
—Max Springer, Scientific American, 7 Aug. 2024
The ideal presentation is the cephalic or vertex position.
—Brandi Jones, Verywell Health, 5 Aug. 2024
See all Example Sentences for vertex
Dictionary Entries Near vertex
Cite this Entry
“Vertex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vertex. Accessed 30 Nov. 2024.
Copy CitationKids Definition
vertex
noun
ver·tex
ˈvər-ˌteks
plural vertices
ˈvərt-ə-ˌsēz
also vertexes
also vertexes
1
: the point of a figure that is opposite to and farthest from its base
the vertex of a triangle
2
: the point where the two sides of an angle meet or where three or more edges of a polyhedron (as a cube) meet
Medical Definition
vertex
noun
ver·tex
ˈvər-ˌteks
plural vertices
ˈvərt-ə-ˌsēz
also vertexes
also vertexes
1
: the top of the head
2
: the highest point of the skull
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