myosis

Noun

WordNet 3.0

Noun (2)

  1. an acute infectious disease occurring in epidemic form and featuring paroxysms of pain (usually in the chest)Synonyms: epidemic pleurodyniaepidemic myalgiadiaphragmatic pleurisyBornholm disease
  2. reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smallerSynonyms: light reflexpupillary reflexmiosis
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Webster's Dictionary (GCIDE)

Myosis \My*o"sis\, n. [NL., fr. Gr. ? to close the eyes or lips.] (Med.) Long-continued contraction of the pupil of the eye. [1913 Webster]
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