scarlet red

English

Noun

scarlet red (countable and uncountable, plural scarlet reds)

  1. Used other than with a figurative or idiomatic meaning: see scarlet, red.
  2. An azo dye used to treat wounds and ulcers and as a histological stain.
    • 2005, Avi Shai, ‎Howard I. Maibach, Wound Healing and Ulcers of the Skin, page 219:
      Scarlet red is an aniline dye which has been used in the treatment of wounds and ulcers since the beginning of the past century.
    • 1959, Ivan Nikolaevič Filipév, ‎Jacobus Hermanus Schuurmans Stekhoven, A Manual of Agricultural Helminthology, page 195:
      The staining may also be done in a saturated solution of scarlet red in equal parts of 70% alcohol and acetone....

Synonyms

  • (azo dye): Biebrich red, Sudan IV

Derived terms

  • scarlet red sulfonate
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