iridotomy

[ir-i-dot-uh-mee, ahy-ri-]

ir·i·dot·o·my

[ir-i-dot-uh-mee, ahy-ri-]
noun, plural ir·i·dot·o·mies. Surgery.
incision of the iris, especially for the formation of an artificial pupil by transverse division of fibers of the iris.

Origin:
1850–55; irido- + -tomy
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Iridotomy has a plethora of syllables.
So is antidisestablishmentarianism. Does it mean:
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England.
Collins
World English Dictionary
iridotomy (ˌɪrɪˈdɒtəmɪ, ˌaɪrɪ-)
 
n , pl -mies
surgical incision into the iris, esp to create an artificial pupil

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Medical Dictionary

iridotomy ir·i·dot·o·my (ĭr'ĭ-dŏt'ə-mē, ī'rĭ-)
n.
Incision of the iris to form an artificial pupil. Also called corotomy, iritomy, irotomy.

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