heme | sense examples, Usage and Definition from wordnet dictionary online

Noun heme has 1 sense

heme, haem, hematin, haemitin, protoheme - a complex red organic pigment containing iron and other atoms to which oxygen binds
--₁ is a kind of pigment
--₁ is a substance of hemoglobin, haemoglobin, Hb; myoglobin; cytochrome