purpurin
Concise Oxford English Dictionary © 2008 Oxford University Press:
purpurin /ˈpəːpjʊrɪn/
▶noun Chemistry a red dye extracted from madder, also made by oxidizing alizarin.
'purpurin' also found in these Oxford entries:
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purpurinConcise Oxford English Dictionary © 2008 Oxford University Press: purpurin /ˈpəːpjʊrɪn/ ▶noun Chemistry a red dye extracted from madder, also made by oxidizing alizarin. 'purpurin' also found in these Oxford entries:
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