What is the meaning of dioptre?

noun

  • 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.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). dioptre. Retrieved September 22, 2026, from http://smartdefine.org/dioptre/definitions/1327273
ChicagoWordNet. 2010. "dioptre" http://smartdefine.org/dioptre/definitions/1327273 (accessed September 22, 2026).
HarvardWordNet 2010, dioptre, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/dioptre/definitions/1327273>.
MLAWordNet. "dioptre" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/dioptre/definitions/1327273>
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