PROTOHEME as NOUN

1. Meaning
   • a complex red organic pigment containing iron and other atoms to which oxygen binds
   Synonym(s)
   • haem (what does haem mean?)
   • haemitin (what does haemitin mean?)
   • hematin (what does hematin mean?)
   • heme (what does heme mean?)
   Hypernyms(s) protoheme is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • pigment (what does pigment mean?)