heme

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a complex red organic pigment containing iron and other atoms to which oxygen binds
• Syn:
haem, hematin, haemitin, protoheme
• Hypernyms:
pigment
• Substance Holonyms:
hemoglobin, haemoglobin, Hb, myoglobin, cytochrome