Definition of adaptometer in English:

adaptometer

noun

Ophthalmology
  • Any of various instruments used to measure the adaptation of the eye to changes in the intensity or colour of light, used especially in the assessment of dark adaptation and night vision.

Origin

Early 20th century; earliest use found in Ophthalmology. From adapt- + -ometer, after German Adaptometer.

Pronunciation:

adaptometer

/ˌadapˈtɒmɪtə//ˌadəpˈtɒmɪtə/