Red-dye meaning

Red dye is an artificial coloring added to food and makeup; however, the FDA has banned numbers two and four as they may cause cancer.

An example of red dye is something you put into a solution for coloring Easter eggs.

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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.
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Red-dye Sentence Examples

  • Many scale-insects are among the most serious of pests, but various species have been utilized by man for the production of wax (lac) and red dye (cochineal).

  • Perkin also had a large share in the introduction of artificial alizarin, the red dye of the madder root.

  • Both sexes, but especially the women, tattoo several parts of the person, and the women stain their hands and feet with the red dye of the henna.

  • NBS in the UK supply a special grade of glycerine jelly for mounting pollen which contains a red dye.

  • The root of this plant was traditionally used to make a red dye.

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