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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 or·tho·cen·ter /ˈɔrθəˌsɛntɚ/
 垂心; 重心

From: Webster's Revised Unabridged Dictionary (1913)

 Or·tho·cen·ter n.  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.