miosis

Or my·o·sis

[mahy-oh-sis]

noun

Medicine/Medical.

plural

mioses 

1. excessive constriction of the pupil of the eye, as a result of drugs, disease, or the like.

miosis

/ maɪˈəʊsɪs, maɪˈɒtɪk /

noun

1. excessive contraction of the pupil of the eye, as in response to drugs

2. a variant spelling of meiosis

Other Word Forms

• miotic adjective

Word History and Origins

Origin of miosis¹

1810–20; variant of myosis < Greek mý ( ein ) to shut (the eyes) + -ōsis -osis

Word History and Origins

Origin of miosis¹

C20: from Greek muein to shut the eyes + _-osis

Example Sentences

One doctor working from the Daraya medical center said 75 victims were treated for symptoms including “muscle spasms, bronchial spasms, headaches, dizziness, vomiting, and miosis” following a 1 a.m. rocket strike.

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