DIOPTER

Pronunciation (US):

(GB):

 Dictionary entry overview: What does diopter mean? 

• DIOPTER (noun)
  The noun DIOPTER has 1 sense:

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

  Familiarity information: DIOPTER used as a noun is very rare.

 Dictionary entry details 

• DIOPTER (noun)

Sense 1

Meaning:

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

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

diopter; dioptre

Hypernyms ("diopter" is a kind of...):

unit; unit of measurement (any division of quantity accepted as a standard of measurement or exchange)

 Context examples 

Testing the optical properties of a device such as diopter, glare, and irradiance or glistening.

(Device Light Source Performance Evaluation Method, Food and Drug Administration)