n.
Variant: also my · o · sis
Pronunciation: m ī - ' ō -s ə s, m ē -
Function: noun
Inflected Form: plural mi · o · ses also my · o · ses \ - ˌ s ē z \
Etymology: New Latin, from Greek myein to be closed (of the eyes) + New Latin -osis
Date: 1807
: excessive smallness or contraction of the pupil of the eye