ophthalmometer

[of-thuhl-mom-i-ter, -thuh-, -thal-, op-]

oph·thal·mom·e·ter

[of-thuhl-mom-i-ter, -thuh-, -thal-, op-]
noun
an instrument for measuring the reflection of an image on the surface of the cornea and other capacities of the eye, used chiefly for determining the presence and degree of astigmatism.

Origin:
1835–45; ophthalmo- + -meter

oph·thal·mo·met·ric [of-thal-muh-me-trik, op-] , oph·thal·mo·met·ri·cal, adjective
oph·thal·mom·e·try, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To ophthalmometer

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Ophthalmometer has a plethora of syllables.
So is sesquipedalianism. 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.
given to using long words.
American Heritage
Medical Dictionary

ophthalmometer oph·thal·mom·e·ter (ŏf'thəl-mŏm'ĭ-tər, -thāl-, ŏp'-)
n.
See keratometer.

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