|  myosis 
 
 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
 • Hypernyms:
 epidemic 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
 • Derivationally related forms:
 myotic, miotic (for: miosis)
 • Hypernyms:
 reflex, reflex response, reflex action, instinctive reflex, innate reflex,
 inborn reflex, unconditioned reflex, physiological reaction
 
 
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