Definition of dioptrics in English:

dioptrics

Line breaks: di|op¦trics
Pronunciation: /dʌɪˈɒptrɪks
 
/

noun

[treated as singular]
  • The branch of optics that deals with refraction.
    More example sentences
    • He was studying geometrical optics in the early 1650s, and began his own treatise on dioptrics at this time, continuing to work on it for the rest of his life.
    • In 1911 he received the Nobel Prize for his work on the dioptrics of the eye.
    • Volume I covers the dioptrics of the eye; Volume II, the sensations of vision; and Volume III, the perceptions of vision.

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Word of the day grotesquerie
Pronunciation: grōˈteskərē
noun
grotesque quality or grotesque things collectively