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miosis
miosis [ mī ṓssiss ] (plural mioses [ mī ṓsseez ]) or myosis [ mī ṓssiss ] (plural myoses [ mī ṓsseez ])


noun 
Definition:
 
contraction of pupil: a contraction of the pupil of the eye, e.g. a contraction caused by a reaction to a drug
[Early 19th century. < Greek muein 'shut the eyes']

miotic, myotic [ mī óttik ] adjective
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