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| o·pac·i·ty [ ō pássətee ] |
noun |
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| Definition: |
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1. being opaque: the quality, condition, or degree of being opaque
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2. obscurity: the quality of being obscure in meaning
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3. photog physics ability of material to stop light: the capacity of a material such as photographic film to stop light, expressed as a comparison between light striking the material and light transmitted
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4. philosophy propositions not adhering to Leibniz's law: propositions containing modal notions such as necessity or belief in which principles of logic such as Leibniz's law do not obtain
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| [Mid-16th century. Via French< Latin opacus "shaded, dark"] |
