Found 2 items, similar to Myosis.
English → English (WordNet) Definition: myosis myosis n 1: an acute infectious disease occurring in epidemic form and featuring paroxysms of pain (usually in the chest) [syn: epidemic pleurodynia, epidemic myalgia, diaphragmatic pleurisy , Bornholm 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 smaller [syn: light reflex, pupillary reflex , miosis] [also: myoses (pl)]
English → English (gcide) Definition: Myosis 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]