porphyrin

== English == === Etymology === From German Porphyrin, shortened from Hämatoporphyrin (“haematoporphyrin”). === Pronunciation === (UK) IPA(key): /ˈpɔːfɪɹɪn/ (General American) IPA(key): /ˈpɔɹfəɹɪn/ === Noun === porphyrin (plural porphyrins) (organic chemistry) Any of a class of heterocyclic compounds containing pyrrole rings arranged in a square or other similar shape; they are important in biochemistry in a form with a metal atom in the central cavity (hemoglobin with iron, chlorophyll with magnesium, etc.). ==== Derived terms ==== ==== Related terms ==== porphyria porphyric ==== Translations ==== ==== See also ==== corrin