porphyrin

noun por·phy·rin \ ˈpȯr-fə-rən \

Definition of porphyrin

: any of various compounds with a macrocyclic structure that consists essentially of four pyrrole rings joined by four =CH− groups; especially : one (such as chlorophyll or hemoglobin) containing a central metal atom and usually exhibiting biological activity

Origin and Etymology of porphyrin

International Scientific Vocabulary, from Greek porphyra purple


Medical Dictionary

porphyrin

noun por·phy·rin \ ˈpȯr-fə-rən \

medical Definition of porphyrin

: any of various compounds with a structure that consists essentially of four pyrrole rings joined by four =CH− groups; especially : one (as chlorophyll or hemoglobin) containing a central metal atom and usually having biological activity

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