diopsimeter
American
[dahy-uhp-sim-i-ter]
/ ˌdaɪ əpˈsɪm ɪ tər /
noun
Ophthalmology.
Etymology
Origin of diopsimeter
di- 3 + Greek ops- (stem of ópsis ) sight, vision + -i- + -meter
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.