dioptometer

[ dahy-op-tom-i-ter ]

noun

, Ophthalmology.

1. an instrument for measuring the refraction of the eye.

dioptometer

/ ˌdaɪɒpˈtɒmɪtə /

noun

1. an instrument for measuring ocular refraction

Derived Forms

• ˌdiopˈtometry, noun

Word History and Origins

Origin of dioptometer¹

di- ³ + opt(ic) + -o- + -meter

Word History and Origins

Origin of dioptometer¹

from di- ² + opt ( ic ) + meter