- 1. n. A unit employed by oculists in numbering glasses according to the metric system; a refractive power equal to that of a glass whose principal focal distance is one meter. Source: opted
- 2. n. 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 Source: wordnet
- 3. A unit employed by oculists in numbering glasses according to the metric system; a refractive power equal to that of a glass whose principal focal distance is one meter. Source: webster
- 4. A unit employed by oculists in numbering glasses according tothe metric system; a refractive power equal to that of a glass whoseprincipal focal distance is one meter. Source: adambom
- 5. n 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 Source: ecdict
Home / Dictionary / dioptre
dioptre
Thesaurus links
Related headwords in VividLex — dictionary ↔ thesaurus bridge for exploration and SEO depth.
From the definitions
equalfocaloculistspowerrefractiveunitaccordingdistanceemployedglassglassesmetermetricnumberingsystemlengthlensmeasuredmeasurementmetersprincipalreciprocal