英语词汇“photoptometer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	photoptometer
释义	photoptometer photoptometer [fo″top-tom´ĕ-ter] an instrument for measuring visual acuity by determining the smallest amount of light that will render an object just visible. photoptometer (fō-tŏp-tŏm′ĕ-tĕr) [″ + opsis, vision, + metron, measure] A device for determining the smallest amount of light that will make an object visible.
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