noun
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The highest point, top or apex of something.
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(geometry) An angular point of a polygon, polyhedron or higher order polytope.
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(mathematics) A point on the curve with a local minimum or maximum of curvature.
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(graph theory) One of the elements of a graph joined or not by edges to other vertices.
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(computer graphics) A point in 3D space, usually given in terms of its Cartesian coordinates.
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(optics) The point where the surface of a lens crosses the optical axis.
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(particle physics) An interaction point.
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(astrology) The point where the prime vertical meets the ecliptic in the western hemisphere of a natal chart.
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(typography) A sharp downward point opposite a crotch, as in the letters "V" and "W" but not "Y".