English word bisporphyrin comes from English bis-, English porphyrin
| Dictionary entry | Language | Definition |
|---|---|---|
| bis- | English (eng) | (chemistry, obsolete) A variant of tri- used to indicate that the component that does not take the prefix occurs twice in the compound: a bisoxide is of the form B2O. (mathematics, chemistry) A variant of di-, used for substitutions of two complex rather than simple units.. An occasional variant of bi- prefixed to roots beginning with a vowel, as in bisalternate. |
| porphyrin | English (eng) | (organic compound) 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.). |
| bisporphyrin | English (eng) | (organic compound) Any compound containing two porphyrin linked by zinc or some other metal. |