Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

miosis

noun mi·o·sis \mī-ˈō-səs, mē-\

Definition of miosis

plural

mioses

play also

myoses

\-ˌsēz\
  1. :  excessive smallness or contraction of the pupil of the eye



Variants of miosis

also

myosis

\mī-ˈō-səs, mē-\

Origin and Etymology of miosis

New Latin, from Greek myein to be closed (of the eyes) + New Latin -osis


First Known Use: 1807


Medical Dictionary

miosis

noun mi·o·sis

Medical Definition of miosis

plural

mioses

also

myoses

\-ˌsēz\play
  1. :  excessive smallness or contraction of the pupil of the eye



Variants of miosis

also

myosis

\mī-ˈō-səs, mē-\play play

Learn More about miosis

  1. Medical Dictionary: Definition of miosis


Seen and Heard

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

WORD OF THE DAY

to take off or remove

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

confounded-person

Which is a synonym of indolent?

frenetic lazy philistine melancholy
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