diopters
زبان مبدأ: انگلیسی
ترجمه به فارسی
- واژهنامه · Merriam-Webster Collegiate Dictionary di·op·ter n. Pronunciation: dī- ' äp-tər, ' dī- ˌ äp- Function: noun Etymology: diopter (an optical instrument), from Middle French dioptre, from Latin dioptra, from Greek, from dia- + opsesthai to be going to see ― more at OPTIC Date: circa 1864 : a unit of measurement of the refractive power of lenses equal to the reciprocal of the focal length in meters]]>