entropion

noun
en·​tro·​pi·​on | \en-ˈtrō-pē-ˌän, -pē-ən\

Definition of entropion 

: the inversion or turning inward of the border of the eyelid against the eyeball

First Known Use of entropion

circa 1860, in the meaning defined above

History and Etymology for entropion

New Latin, from en- en- entry 2 + ectropion turning out of the eyelid, from Greek ektropion, from ektrepein to turn out, from ex- out + trepein to turn

Keep scrolling for more

Learn More about entropion

Statistics for entropion

Look-up Popularity

Time Traveler for entropion

The first known use of entropion was circa 1860

See more words from the same year

Keep scrolling for more

More Definitions for entropion

entropion

noun
en·​tro·​pi·​on | \en-ˈtrō-pē-ˌän, -ən \

Medical Definition of entropion 

: the inversion or turning inward of the border of the eyelid against the eyeball

More from Merriam-Webster on entropion

Britannica.com: Encyclopedia article about entropion

Comments on entropion

What made you want to look up entropion? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a nest or breeding place

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!