| 单词 | dioptometer |
| 释义 | dioptometer in British English (ˌdaɪɒpˈtɒmɪtə) noun an instrument for measuring ocular refraction Derived forms dioptometry (ˌdiopˈtometry) noun Word origin from di-2 + opt(ic) + meterdioptometer in American English (ˌdaɪɑpˈtɑmətər) noun an instrument for testing the refraction of the eye Derived forms dioptometry (ˌdiopˈtometry) noun Word origin di-2 + optometer |
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