Definition of Diopter

Noun: diopter  dI'óp-tu(r)

1. 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
   - dioptre [Brit, Cdn]

See also:
dioptases
diopters

Anagrams containing the word diopter

drtiope rdiopte erdiopt terdiop pterdio opterdi iopterd