Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. 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.
Century Dictionary and Cyclopedia
- n. Diminution. Specifically — In rhetoric: A figure by which a thing is represented as less than it really is, as in belittling an opponent's statement, affecting to scorn an accusation, etc. Understatement so as to intensify; especially, expression by negation of the opposite; litotes
- n. In cytology, the reduction-process in organisms, including mitapsis (or synapsis) and the subsequent heterotypic and homotypic divisions. This process results in reducing to one half the number of chromosomes in the nuclei. Farmer and Moore. Improperly spelled maiosis.
- n. Used by error or substitution for myosis.
Wiktionary
- n. Contraction of the pupil of the eye.
WordNet 3.0
- n. (genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)
- n. reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller
Etymologies
- From Ancient Greek μύειν (mūein, "to close the eyes") + -osis. (Wiktionary)
- Greek mūein, to close the eyes + -osis. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“A lot of new characters and situations to keep up with on Private Practice, as the practices divide like miosis.”
“Lomb Inc. The drug has two-thirds of the U.S. sales for the class of prescription drugs used to induce miosis, or constriction of the pupil.”
“DenverPost.com - Diane Carman:Quick: Define miosis and mitosis.”
“Severe miosis and the reduced ability to see in dim light can persist for 48 hours after onset.”
FM 7-98 Appendix F - Uses of Mission-Oriented Protectiive Posture
“Commanders must identify personnel performing critical tasks dependent on night vision and initiate precautions to minimize miosis:”
FM 7-98 Appendix F - Uses of Mission-Oriented Protectiive Posture
“They should disperse in the open air and use the buddy system to observe for possible miosis symptoms.”
FM 7-98 Appendix F - Uses of Mission-Oriented Protectiive Posture
“With the start of regeneration of the oculomotor nerve the Ac.Ch. appears again, but in too small quantities to cause miosis with light stimulus alone, i.e. without the increased activity provided by eserine.”
“The syndrome consists of poor pupillary dilation, progressive intraoperative miosis with billowing of the iris, and increased risk of iris prolapse through the corneal sections.”
“On maintenance doses of dope, the only sure external signs of intoxication are miosis, or pinpointing of the pupils, and a Lauren”
Lists
These user-created lists contain the word ‘miosis’.
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My . . . uh . . .
maija, maya, maia, mia, mya, maieutics, maja, miya, mialuthien, miah, maya deren, maya lin and 178 more...
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medtech
terms found in documentation for implantable medical devices and IVD equip
distal, luer, stopcock, lumen, tortuosity, anneal, flouroscopy, radiopaque, distractor, toeing, tang, endoprosthesis and 177 more...
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[Open] Correctly-spelled words that l...
Thanks to everyone who added to this list. (I moved it to a new URL, so all the words added on the first day are credited to me—sorry about that.)
(Here’s the original list with a slo...orignal, refect, collum, lightening, manakin, neumatic, mutch, miosis, radicle, tryptic, kyack, apatite and 119 more...
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phrontistery - m
from phrontistery.info
mabble, mabsoot, macadamize, macarism, macarize, macaronic, macerate, macerator, machair, machairodont, machicolation, machinule and 898 more...
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11250 more...
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See, The Eyes Have It
List of words (or phrases) containing eye-, -eye-, or -eye. Beginning with red-eye and eyebright.
I've since begun adding other more oblique terms that lack the string -eye-, but that...red-eye, eyebright, arguw-eye, bigeye, bird's-eye, buckeye, blarneyed, wheyey, eyebrow, eyecup, eyedropper, eyeful and 296 more...
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Specifically
Being a list of words which have "specifically" in their definitions.
recompose, specifically, Dutch, abstinence, discipline, virtue, namely, opening, century, amalgamation, cup, second and 303 more...
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Logolepsy
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
Anschauung, Areopagus, Argus, Briarean, Dei gratia, Dei judicium, Deo volente, Duecento, Foehn, Geflugelte Worte, Gegenschein, Hakenkreuz and 9230 more...
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Allographic Homophones
Words that can be pronounced identically but are spelled differently. I've started with unusual or extensive sets. In some of these sets, no one speaker would pronounce them all the same. I've trie...
air, are, ayr, ayre, e'er, ere, err, eyre, heir, apatite, appetite, picnic and 226 more...
Tweets
Looking for tweets for miosis.

hernesheir I can see it in your eye.
How'd you lose the other one by the way? Jan 4, 2012