adaptometer
|a-dap-tom-e-ter|
C2
🇺🇸
/əˌdæpˈtɒmɪtər/
🇬🇧
/əˌdæpˈtɒmɪtə/
measuring eye adaptation
Etymology
Etymology Information
'adaptometer' originates from the combination of 'adapt' and the suffix '-meter', where 'adapt' means 'to adjust' and '-meter' indicates an instrument for measuring.
Historical Evolution
'adapt' changed from the Latin word 'adaptare' and eventually became the modern English word 'adapt'.
Meaning Changes
Initially, it meant 'to adjust or fit', but over time it evolved into its current meaning of 'an instrument for measuring adaptation'.
Meanings by Part of Speech
Noun 1
an instrument used to measure the ability of the eye to adapt to different levels of illumination.
The optometrist used an adaptometer to test the patient's night vision.
Synonyms
Last updated: 2025/05/03 12:21