opaque

Definitions

General English

General Science

  • adjective referring to something that does not allow light or other rays to pass through it

Electronics

  • A body, material, or medium which does not pass radiant energy, such as light, or sound.
  • A body, material, or medium which does not pass one form of radiant energy, such as ultraviolet light, but passes others, such as visible light.
  • A body, material, or medium which does not pass one type of particle, such as ions, but passes others, such as photons.

Media Studies

  • noun a photographic pigment that can block out areas of a negative

Publishing

  • noun ink used to cover up parts of a film
  • verb to remove spots, blemishes or other parts of a negative which are to be cut out from a plate, by painting over them with an opaque ink
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