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Vertex

VERT'EX, n. [L. from veto, to turn; primarily a round point.] 1. The crown or top of the head. 2. The top of a hill or other thing; the point of a cone, pyramid, angle or figure; the pole of a glass, in optics...

Webster Dictionary
English dictionary 16.3 MB

Meaning

VERT'EX, n. [L. from veto, to turn; primarily a round point.]

1. The crown or top of the head.

2. The top of a hill or other thing; the point of a cone, pyramid, angle or figure; the pole of a glass, in optics. The vertex of a curve, is the point from which the diameter is drawn, or the intersection of the diameter and the curve.

3. In astronomy, the zenith; the point of the heavens perpendicularly over the head.

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