English dictionary



Info: This web site is based on WordNet 3.0 from Princeton University.

English noun: diopter

1. diopter (quantity) 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


Synonymsdioptre


Broader (hypernym)unit, unit of measurement









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk