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lightfast Definition

light·fast (līt′fast′)

adjective

that will not fade because of exposure to light

lightfast Related Forms
light′·fast′·ness noun
lightfast Usage Examples

Modifies a noun

  • ink: They are printed in High quality lightfast inks on Archival Fine Art paper.
  • color: Organics Modern organic pigments offer lightfast colors of relative transparency over a broad area of the spectrum.
  • test: The results of these lightfast tests are published in the Signature A5 leaflet included in every set.

Modifying Another Word

  • highly: Signature is a premium quality range of 60 highly lightfast colored pencils.