Webster’s Revised Unabridged Dictionary · 1913
Hemiprotein
Hem′i·pro′te·in, n. [Hemi- + protein.] (Physiol. Chem.) An insoluble, proteid substance, described by Schützenberger, formed when albumin is heated for some time with dilute sulphuric acid. It is apparently identical with antialbumid and dyspeptone.