dioptometer

[ dahy-op-tom-i-ter ]
/ ˌdaɪ ɒpˈtɒm ɪ tər /

noun Ophthalmology.

an instrument for measuring the refraction of the eye.

QUIZZES

LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!

Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?

Origin of dioptometer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for dioptometer

dioptometer
/ (ˌdaɪɒpˈtɒmɪtə) /

noun

an instrument for measuring ocular refraction

Derived forms of dioptometer

dioptometry, noun

Word Origin for dioptometer

from di- ² + opt (ic) + meter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012