noun ver·tex \ˈvər-ˌteks\

: a point where two lines meet to form an angle; especially : the point on a triangle that is opposite to the base

plural ver·ti·ces \ˈvər-tə-ˌsēz\ also ver·tex·es

Full Definition of VERTEX

:  the top of the head
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
:  a principal or highest point :  summit <the vertex of the hill>

Origin of VERTEX

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

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb


noun ver·tex \ˈvər-ˌteks\   (Medical Dictionary)
plural ver·ti·ces \ˈvərt-ə-ˌsēz\ also ver·tex·es

Medical Definition of VERTEX

:  the top of the head
:  the highest point of the skull


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