WordReference Random House Unabridged Dictionary of American English © 2025
he•min
(hē′min),USA pronunciation n. [Biochem.]
- Biochemistrythe typical, microscopic reddish-brown crystals, C34H32N4O4FeCl, resulting when a sodium chloride crystal, a drop of glacial acetic acid, and some blood are heated on a slide: used to indicate the presence of blood. Also called Teichmann's crystals.
- hem- + -in2 1950–55
'hemin' also found in these entries (note: many are not synonyms or translations):