Definitions

1. noun

A porphyrin compound, especially heme, or a group of these compounds, found in blood and other tissues.

“The doctor analyzed the hemin in the patient’s blood to diagnose the condition.”

2. noun

A pigment or coloring matter, especially heme or hemoglobin.

“The hemin in the plant’s leaves helped protect it from excessive sunlight.”

3. noun

A part of a molecule, especially a heme group, which contains iron and plays a crucial role in many biological processes.

“The hemin in the enzyme is essential for its catalytic activity.”