heme

heme

noun

Definition of HEME

: the deep red iron-containing prosthetic group C₃₄H₃₂N₄O₄Fe of hemoglobin and myoglobin that is a ferrous derivative of protoporphyrin and readily oxidizes to hematin or hemin—called also protoheme

Variants of HEME

heme or chiefly British haem \ˈhēm\