definition of dioptric
Wiktionary (0.00 / 0 votes) Rate this definition: dioptric (Noun). The branch of optics concerned with refraction. dioptric (Noun). A dioptric telescope. dioptric (Adjective). Pertaining to a diopter. dioptric (Adjective). Acting as a medium for sight; making use of refraction (of lenses, etc.).