orthocenter

• (UK) orthocentre

From ortho- +‎ center.

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• Rhymes: -ɛntə(ɹ)

orthocenter (plural orthocenters)

1. (geometry) One of the centers (UK:centres) of a triangle, defined as being the intersection of its three altitudes; in an acute triangle, it is inside the triangle; in an obtuse triangle, it is outside the triangle; in a right-angled triangle it is the vertex opposite the hypotenuse and so is on the triangle.

• orthocentre