from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or relating to Euclid's geometric principles.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Adhering to the principles of traditional geometry, in which parallel lines are equidistant.
  • adj. Of or relating to Euclid's Elements, especially to Euclidean geometry.

from The Century Dictionary and Cyclopedia

  • Of or pertaining to Euclid, an illustrious Greek mathematician (who lived about 300 b. c.), the author of the “Elements of Geometry,” which has been the chief text-book of this subject down to recent times, and is still much used in England.
  • Of or pertaining to Euclid, or Eukleides, Arch on Eponymos of Athens for the year 403 b. c.
  • Also spelled Eukleidean.

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

  • adj. relating to geometry as developed by Euclid


Named after Euclid, who established the principles of plane geometry. (Wiktionary)


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