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