iridology

[ir-i-dol-uh-jee, ahy-ri-]

ir·i·dol·o·gy

[ir-i-dol-uh-jee, ahy-ri-]
noun, plural ir·i·dol·o·gies.
the inspection of the iris of the eye as an aid in determining a person's state of health or in diagnosing a health problem.

Origin:
1920–25; irido- + -logy

ir·i·dol·o·gist, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Iridology has a plethora of syllables.
So is dichlorodiphenyltrichloroethane. Does it mean:
the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
Collins
World English Dictionary
iridology (ˌɪrɪˈdɒlədʒɪ)
 
n
a technique used in complementary medicine to diagnose illness by studying a patient's eyes
 
[C20: from Latin irido- + ology]
 
iri'dologist
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

iridology ir·i·dol·o·gy (ĭr'ĭ-dŏl'ə-jē, ī'rĭ-)
n.
The study of the iris of the eye, especially as associated with disease.

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