purpurin
purpurin · purpurins
A red anthraquinone dye, extracted from madder, that is used as a biological stainA red anthraquinone dye, extracted from madder, that is used as a biological stain
Meaning
3 senses(countable, uncountable)A red anthraquinone dye, extracted from madder, that is used as a biological stain
(countable, uncountable)A protein of the lipocalin family
(countable, historical, uncountable)A brownish or deep red decorative glass used in ancient times
Forms
plural: purpurinsWord family
2 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable