单词	dioptric
释义	di·op·tric (dī-ŏptrĭk) also di·op·tri·cal (-trĭ-kəl) adj. 1. Of or relating to dioptrics. 2. Relating to optical refraction; refractive. [Greek dioptrikos, from dioptrā, an optical instrument; see DIOPTER.]
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