NOUN | quantity | dioptre, diopter | a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters |
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Meaning | A unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists. | |
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Synonym | diopter | |
Broader | unit of measurement, unit | Any division of quantity accepted as a standard of measurement or exchange |
Spanish | dioptría | |
Catalan | dioptria, diòptria |
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