protoporphyrin

noun
pro·​to·​por·​phy·​rin | \ˌprō-tō-ˈpȯr-f(ə-)rən \

Definition of protoporphyrin 

: a purple porphyrin acid C34H34N4O4 obtained from hemin or heme by removal of bound iron

First Known Use of protoporphyrin

1925, in the meaning defined above

History and Etymology for protoporphyrin

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The first known use of protoporphyrin was in 1925

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More Definitions for protoporphyrin

protoporphyrin

noun
pro·​to·​por·​phy·​rin | \ˌprōt-ō-ˈpȯr-f(ə-)rən \

Medical Definition of protoporphyrin 

: a purple porphyrin acid C34H34N4O4 obtained from hemin or heme by removal of bound iron

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