Langimage
English

ametrometer

|a-met-ro-me-ter|

C2

🇺🇸

/əˈmɛtrəˌmiːtər/

🇬🇧

/əˈmɛtrəˌmiːtə/

measure refractive power

Etymology
Etymology Information

'ametrometer' originates from Greek, specifically the word 'ametros,' where 'a-' meant 'without' and 'metron' meant 'measure.'

Historical Evolution

'ametros' transformed into the modern English word 'ametrometer' through scientific terminology.

Meaning Changes

Initially, it meant 'without measure,' but over time it evolved into its current meaning of 'an instrument to measure refractive power.'

Meanings by Part of Speech

Noun 1

an instrument used to measure the refractive power of the eye.

The optometrist used an ametrometer to determine the patient's prescription.

Synonyms

Last updated: 2025/07/13 19:21