porphyrin

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English[edit]

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Etymology[edit]

From German Porphyrin, shortened from Hämatoporphyrin (haematoporphyrin).

Pronunciation[edit]

Noun[edit]

porphyrin (plural porphyrins)

  1. (organic chemistry) Any of a class of heterocyclic compounds containing four pyrrole rings arranged in a square; they are important in biochemistry in a form with a metal atom in the central cavity (hemoglobin with iron, chlorophyll with magnesium, etc.).

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