What does "hemin" mean?

a reddish brown substance produced in a laboratory test for the presence of blood by reaction with glacial acetic acid and sodium chloride

Hemin

Common synonyms include: protohemin, chlorohemin, hematin chloride, hematin chloride, protohemin.

//ˈhi.mɪn// noun

noun ·Rare ·Advanced level

Noun

1
a reddish brown substance produced in a laboratory test for the presence of blood by reaction with glacial acetic acid and sodium chloride
2
a reddish-brown chloride of heme; produced from hemoglobin in laboratory tests for the presence of blood wordnet

From Ancient Greek αἷμᾰ (haîmă, “blood”) + -in. By surface analysis, hem- + -in.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.