Opacity

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Opacity may refer to:

Computer science[edit]

  • How much an image will obscure the background when painted, usually defined by its alpha channel
  • The use of an opaque data type, a data type that is incompletely described in a module interface
  • Said of data that can only be interpreted and by an external entity, such as a magic cookie
  • Opaque binary blob, a term used in network engineering and computer science