HyperDic: dioptre

English > 1 sense of the word dioptre:
NOUNquantitydioptre, dioptera unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters
English > dioptre: 1 sense > noun 1, quantity
MeaningA 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.
Synonymdiopter
Broaderunit of measurement, unitAny division of quantity accepted as a standard of measurement or exchange
Spanishdioptría
Catalandioptria, diòptria

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