orthocenter(redirected from Altitude (triangle))
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The point of intersection of the three altitudes of a triangle.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
or•tho•cen•ter(ˈɔr θəˌsɛn tər)
the point of intersection of the three altitudes of a triangle.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.