Opacity

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Opacity or opaque means something that is difficult to see through or perceive. It can also mean:

  • Opacity (optics), the degree to which light is blocked.
  • Opaque context, a linguistic context in which it is not possible to substitute co-referential terms while guaranteeing the preservation of truth values.
  • Opaque data, in computer programming, data that can only be manipulated through an external interface
  • Opaque is a famous restaurant that serves customers in complete darkness.