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The reddish-brown crystalline chloride of heme, C34H32N4O4FeCl, produced when hemoglobin reacts with glacial acetic acid and sodium chloride in a laboratory test for the presence of blood.


(ˈhi mɪn)

a crystalline substance, C34H32N4O4FeCl, that forms when blood is mixed with sodium chloride and pure acetic acid and heated: used as a test for the presence of blood in stains.
[1855–60; < Greek haîm(a) blood + -in1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hemin - a reddish-brown chloride of hemehemin - a reddish-brown chloride of heme; produced from hemoglobin in laboratory tests for the presence of blood
chloride - any compound containing a chlorine atom