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vertex

noun

ver·​tex ˈvər-ˌteks How to pronounce vertex (audio)
plural vertices ˈvər-tə-ˌsēz How to pronounce vertex (audio) 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

Example Sentences

Recent Examples on the Web Initially, every vertex has the same probability of being open to the flow of water. Quanta Magazine, 8 July 2021 Initially, every vertex has the same probability of being open to the flow of water. Quanta Magazine, 8 July 2021 For each bit of information, draw a vertex (or node), called a digit node. Quanta Magazine, 24 Nov. 2021 Initially, every vertex has the same probability of being open to the flow of water. Quanta Magazine, 8 July 2021 But last week one of my students located the vertex of a parabola in a particularly elegant way. Quanta Magazine, 23 Sep. 2021 Initially, every vertex has the same probability of being open to the flow of water. Quanta Magazine, 8 July 2021 Initially, every vertex has the same probability of being open to the flow of water. Quanta Magazine, 8 July 2021 Initially, every vertex has the same probability of being open to the flow of water. Allison Whitten, Wired, 11 July 2021 See More

Word History

Etymology

Middle English, top of the head, from Latin vertic-, vertex, vortic-, vortex whirl, whirlpool, top of the head, summit, from vertere to turn

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of vertex was in the 14th century

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