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Webster 1913 Edition


Purpurin

Pur′pu-rin

,
Noun.
(Chem.)
A dyestuff resembling alizarin, found in madder root, and extracted as an orange or red crystalline substance.

Definition 2024


purpurin

purpurin

English

Alternative forms

Noun

purpurin (countable and uncountable, plural purpurins)

  1. A red anthraquinone dye, extracted from madder, that is used as a biological stain
  2. (biochemistry) A protein of the lipocalin family
  3. A brownish or deep red decorative glass used in ancient times