dioptry
Definitions
Noun. [B1]
Examples
“The Dioptral System of numbering prisms alone possesses the great desideratum of establishing a direct⟳ and simple relation between the prism-dioptry and the lens-dioptry, as demonstrated by the authors' law, that "a lens decentered one centimeter will produce⟳ as many prism-dioptry as the lens has dioptry of refraction."”
“They also shared a fearful myopia of identical dioptry, were apt to bump into inanimate objects, sit⟳ down on invisible chairs, or bounce off each other as they shambled about talking and gesticulating.”
CEFR level
B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
This word is part of the CEFR B1 vocabulary — intermediate level.
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