Meanings
nounprotoheme (plural protohemes)
plural protohemes
- biochemistryA synonym for any of several hemes (followed by a letter)
Synonyms & antonyms
nouna complex red organic pigment containing iron and other atoms to which oxygen binds
Broader
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Cite this entry
APA
protoheme. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/protoheme
MLA
“protoheme.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/protoheme. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “protoheme,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/protoheme.
Source: protoheme on Wiktionary, CC BY-SA 4.0.