Word Games Pro Dictionary
miosis
noun
Reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller
Quick reference
Word Facts
How it sounds
Pronunciation
maɪˈoʊsɪs
Listen
Audio Pronunciation
Meaning
Definitions
noun
Reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller
noun
(genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)
Similar words
Synonyms
Check yourself
Practise This Word
Three quick questions on this word. Nothing is recorded — practise it as often as you like.