from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An angle formed by the perpendicular intersection of two straight lines; an angle of 90°.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun geometry An angle of 90 degrees; the bisect of the angle formed by a single straight line.
  • noun mathematics An character.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the 90 degree angle between two perpendicular lines


Sorry, no etymologies found.


    Sorry, no example sentences found.


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