VividLex

Home / Thesaurus / diopter

Thesaurus: diopter

Alt. of Dioptra

Full dictionary entry Search Lens associations

Related headwords

equaldefinitionfocaldefinitionlengthdefinitionlensdefinitionmeasureddefinitionmeasurementdefinitionmetersdefinitionoculistsdefinitionpowerdefinitionreciprocaldefinitionrefractivedefinitionunitdefinitiondioptradefinitionaltdefinitionaltitudesdefinitionHipparchusdefinitioninstrumentdefinitioninventeddefinitionlevelingdefinitionopticaldefinitiontakingdefinitiondioptasefamilydioptrefamilydioptresfamilydioptricfamilydioptricalfamilydioptricsfamilydioptryfamily

Definitions

  1. n. Alt. of Dioptra
  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
  3. An optical instrument, invented by Hipparchus, for taking altitudes, leveling, etc.
  4. n:100 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