| Orthocenter | n. [ Ortho- + center. ] (Geom.) That point in which the three perpendiculars let fall from the angles of a triangle upon the opposite sides, or the sides produced, mutually intersect. [ 1913 Webster ] |
| 垂心 | [すいしん, suishin] (n) orthocenter; orthocentre [Add to Longdo] |