1. Parts of Speech: Noun
2. Definition: Hemin is a dark brown, crystalline compound that is a component of hemoglobin.
3. Pronunciations: US: /ˈhiːmɪn/; UK: /ˈhɛmɪn/
4. Origin and Usage: Hemin was first isolated in the 19th century from hemoglobin, the protein in red blood cells that carries oxygen. It is used in laboratory settings to test for the presence of blood.
5. Synonyms: Hematoporphyrin, Heme
6. Related Words: Hemal, Hemps, Hemes
7. Example Sentences: