noun Etymology: International Scientific Vocabulary Date: 1925 a purple porphyrin acid C 34 H 34 N 4 O 4 obtained from hemin or heme by removal of bound iron
PROTOPORPHYRIN
Meaning of PROTOPORPHYRIN in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012