my·o·sis
(mī-ō′sĭs)n.
Variant of miosis.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
myosis
(maɪˈəʊsɪs)n, pl -ses (-siːz)
(Pathology) a variant spelling of miosis
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
mi•o•sis
or my•o•sis
(maɪˈoʊ sɪs)n.
excessive constriction of the pupil of the eye.
Compare mydriasis. [1810–20; variant of myosis < Greek mý(ein) to shut (the eyes) + -osis]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
miosis, myosis
abnormal constriction of the pupil of the eye, caused by drugs or illness. Cf. mydriasis. — miotic, myotic, adj.
See also: Eyes-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Noun | 1. | myosis - an acute infectious disease occurring in epidemic form and featuring paroxysms of pain (usually in the chest) epidemic disease - any infectious disease that develops and spreads rapidly to many people |
| 2. |  myosis - reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smallerinborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex - an automatic instinctive unlearned reaction to a stimulus |
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