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Denotation vs. Connotation

myosis

[mahy-oh-sis] /maɪˈoʊ sɪs/
noun, Medicine/Medical
1.

miosis

or myosis

[mahy-oh-sis] /maɪˈoʊ sɪs/
noun, plural mioses
[mahy-oh-seez] /maɪˈoʊ siz/ (Show IPA).
Medicine/Medical
1.
excessive constriction of the pupil of the eye, as a result of drugs, disease, or the like.
Compare mydriasis.
Origin of miosis
1810-1820
1810-20; variant of myosis < Greek (ein) to shut (the eyes) + -ōsis -osis
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for myosis
Historical Examples
  • Examination showed slight atrophy of both optic nerves, Argyll-Robertson pupil, and myosis.

    Fat and Blood S. Weir Mitchell
  • myosis produced by means of solutions of various drugs, a myosis followed by reduction of intra-ocular tension.

    Glaucoma Various
  • An example of this kind of myosis is the action of muscarine.

    Poisons: Their Effects and Detection Alexander Wynter Blyth
British Dictionary definitions for myosis

myosis

/maɪˈəʊsɪs/
noun (pl) -ses (-siːz)
1.
a variant spelling of miosis

miosis

/maɪˈəʊsɪs/
noun (pl) -ses (-siːz)
1.
excessive contraction of the pupil of the eye, as in response to drugs
2.
a variant spelling of meiosis (sense 1)
Derived Forms
miotic, myotic (maɪˈɒtɪk) adjective, noun
Word Origin
C20: from Greek muein to shut the eyes + -osis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for myosis

miosis

n.

1819, from Greek myein "to shut (the eyes)" + -osis. Greek myein is perhaps originally "to close the lips," from PIE *meue- "to be silent" (see mute (adj.)). Related: Miotic.

Online Etymology Dictionary, © 2010 Douglas Harper
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myosis in Medicine

myosis my·o·sis (mī-ō'sĭs)
n.
Variant of miosis.

miosis mi·o·sis or my·o·sis (mī-ō'sĭs)
n. pl. mi·o··ses (-sēz)

  1. The period of decline of a disease in which the intensity of the symptoms begins to diminish.

  2. Constriction of the pupil of the eye, resulting from a normal response to an increase in light or caused by certain drugs or pathological conditions.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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