| NOUN | substance | porphyrin | any of various pigments distributed widely in living tissues |
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| Meaning | Any of various pigments distributed widely in living tissues. | |
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| Broader | pigment | dry coloring material (especially a powder to be mixed with a liquid / liquid to produce paint, etc.) |
| Spanish | porfirina, porfirinas | |
| Catalan | porfirina | |
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