noun Geometry.
the point of intersection of the three altitudes of a triangle.

1865–70; ortho- + center

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To ortho-center
Explore Dictionary.com
Previous Definition: ortho-boric acid
Next Definition: ortho-chromatic
Words Near: ortho-center
More from Thesaurus.com
Synonyms and Antonyms for ortho-center
More from Reference.com
Search for articles containing ortho-center
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature