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red dye Definition

red dye

noun

any of several artificial red pigments added to cosmetics or food: dyes number two and number four are banned by the FDA as possible carcinogenic additives

red dye Usage Examples

Converse of object

  • use: The red dye used to produce deep crimson or bright scarlet came from a insect found in the areas of the Mediterranean.
  • make: The root of this plant was traditionally used to make a red dye.
  • contain: NBS in the UK supply a special grade of glycerine jelly for mounting pollen which contains a red dye.

Adjective modifier

fluorescent: One of them is labeled with a green fluorescent dye, the other with a red fluorescent dye.