Semiglutin \Sem`i*glu"tin\, n. (Physiol. Chem.)
A peptonelike body, insoluble in alcohol, formed by boiling
collagen or gelatin for a long time in water. Hemicollin, a
like body, is also formed at the same time, and differs from
semiglutin by being partly soluble in alcohol.
[1913 Webster]