SINCE 1828
Frankfort horizontal plane
noun
Frank·fort hor·i·zon·tal plane
| \ ˈfraŋk-fərt-ˌhȯr-ə-ˈzänt-ᵊl-, -ˌhär-
\
\
Medical Definition of Frankfort horizontal plane
: a plane used in craniometry that is determined the highest point on the upper margin of the opening of each external auditory canal and the low point on the lower margin of the left orbit and that is used to orient a human skull or head usually so that the plane is horizontal
— called also eye-ear plane, Frankfort horizontal, Frankfort plane
Comments on Frankfort horizontal plane
What made you want to look up Frankfort horizontal plane? 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 -
Dictionary Devil
The dictionary has been scrambled—can you put it back together?
Play the game
Share Frankfort horizontal plane
Resources for Frankfort horizontal plane