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pyrroporphyrin

noun pyr·ro·porphyrin \ ¦pi(ˌ)rō+ \

Definition of pyrroporphyrin

: a dark red crystalline pigment C32H36N4O2 with a violet metallic luster that is the lower homologue of phylloporphyrin and that differs from most porphyrins in being a hepta-substituted derivative of porphin rather than an octa-substituted one

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Origin and Etymology of pyrroporphyrin

International Scientific Vocabulary pyrrh- + porphyrin

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