purpurin

[ pur-pyoo-rin ]

/ ˈpɜr pyʊ rɪn /

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noun Chemistry.

a reddish, crystalline, anthraquinone dye, C14H5O2(OH)3, isomeric with flavopurpurin.

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Origin of purpurin

1830–40; <Latin purpur(a) purple + -in²

Words nearby purpurin

purposely, purposive, purpresture, purpura, purpure, purpurin, purr, purree, purse, purse crab, purse-proud

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use purpurin in a sentence

The presence of the same red pigment Bacterio-purpurin seemed justly to indicate the existence of common chemical processes.
The Organism as a Whole|Jacques Loeb
These are cochineal, mixed with certain chemicals, hot purpurin sulphuric acid, and the red dye of the banana-eater.
The Harmsworth Magazine, v. 1, 1898-1899, No. 2|Various
The same operations have also another end--to transform the purpurin into its hydrate, which is brighter and more solid.
Scientific American Supplement, No. 286|Various
The Purpurin, like some of the murices, when mutilated, exude a reddish-purple fluid.
The Sea-beach at Ebb-tide|Augusta Foote Arnold

Madder contains two closely allied colouring matters, namely, alizarin and purpurin.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8|Various

British Dictionary definitions for purpurin

purpurin

/ (ˈpɜːpjʊrɪn) /

noun

a red crystalline compound used as a stain for biological specimens; 1,2,4-trihydroxyanthraquinone. Formula: C 14 H 5 O 2 (OH) 3

Word Origin for purpurin

C19: from Latin purpura purple + -in

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012