DIOPTER Scrabble 10 Words With Friends 11 Definition noun a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters. — synonyms: dioptre Anagrams of DIOPTER dioptreperidotproteid See all 143 words you can make from DIOPTER → 7-letter words Words starting with D Words ending with R ← Unscramble different letters