WordReference Random House Unabridged Dictionary of American English © 2025
plane′ geom′etry, [Math.]
  1. Mathematicsthe geometry of figures whose parts all lie in one plane.
  • 1740–50

Collins Concise English Dictionary © HarperCollins Publishers::
plane geometry
  1. the study of the properties of and relationships between plane curves, figures, etc
'plane geometry' also found in these entries (note: many are not synonyms or translations):
geodesic

Forum discussions with the word(s) "plane geometry" in the title:


Look up "plane geometry" at Merriam-Webster
Look up "plane geometry" at dictionary.com
  • Go to Preferences page and choose from different actions for taps or mouse clicks.

In other languages: Spanish | French | Italian | Portuguese | Romanian | German | Dutch | Swedish | Russian | Polish | Czech | Greek | Turkish | Chinese | Japanese | Korean | Arabic

Advertisements
Advertisements
Report an inappropriate ad.
WordReference.com
WORD OF THE DAY
GET THE DAILY EMAIL!

Become a WordReference Supporter to view the site ad-free.