SINCE 1828
projective geometry
nounDefinition of projective geometry
: a branch of geometry that deals with the properties of configurations that are unaltered by projection
Keep scrolling for more
Comments on projective geometry
What made you want to look up projective geometry? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Where in the World? A Quiz
-
- What language does pajama come from?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Where in the World? A Quiz
Do you know what languages these words come from?
Take the quiz -
Advanced Vocabulary Quiz
Tough words and tougher competition.
Take the quiz -
Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz -
Bee Cubed
Listen to the words and spell through all three levels.
Play the game
Share projective geometry
Resources for projective geometry