Main Entry: mi·o·sis

Variant(s): also my·o·sis \mī-ˈō-səs, mē-\

Function: noun

Inflected Form(s): plural mi·o·ses also my·o·ses\-ˌsēz\

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