Definition of porphin in English:

porphin

(also porphine)

Pronunciation /ˈpɔːfɪn/

noun

Chemistry
  • A purple crystalline solid, C₂₀ H₁₄ N₄, which has a macrocyclic aromatic molecule consisting of four pyrrole rings linked by —CH= groups, and of which the porphyrins are derivatives.

Origin

1920s; earliest use found in British Chemical Abstracts. From German Porphin, shortened from Porphyrin.