/hee"min/ , n. Biochem.
the typical, microscopic reddish-brown crystals, C 34 H 32 N 4 O 4 FeCl, 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 .
[ 1950-55; HEM- + -IN 2 ]