Associations to the word «Porphyrin»

Wiktionary

PORPHYRIN, noun. (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.).

Dictionary definition

PORPHYRIN, noun. Any of various pigments distributed widely in living tissues.

Wise words

Whatever words we utter should be chosen with care for people will hear them and be influenced by them for good or ill.
Buddha