orthocenter

n.

垂心，重心；

C-orthocenter and C-orthocentric systems in Minkowski planes
Arround the orthocenter in the plain and the space
Problem About Orthocenter of Rectangular Hyperbolic Inscribed Triangle
Vertex positions of the generalized orthocenter and a related elliptic curve
Two Triangles with the Same Orthocenter and a Vectorial Proof of Stevanovic's Theorem
Synthetic foundations of cevian geometry, III: the generalized orthocenter
A concurrency generated by lines through the orthocenter and circles about a triangle's sides
Design of Tactile Sensor for Measuring Orthocenter Deviation and Friction in Wafer Transmission Process
Fuzzy Risk Analysis based on a new approach of Ranking Fuzzy Numbers using Orthocenter of Centroids
Impossibility of reconstruction of a plane triangle from the distances of its orthocenter and vertices by using compass and ruler