Medical Dictionary
purpurin
noun pur·pu·rin \ˈpər-pyə-rən\
Medical Definition of PURPURIN
1
: an orange or red crystalline compound C14H8O5 obtained from madder root along with alizarin or by oxidation of alizarin and used in dyeing
2
also pur·pu·rine \-rən, -ˌrēn\ : any of various colored compounds obtained from chlorophyll or related compounds by the action of cold alcoholic alkali and oxygen
Seen & Heard
What made you want to look up purpurin? Please tell us where you read or heard it (including the quote, if possible).