Source : Webster's Revised Unabridged Dictionary (1913)

Hemiprotein \Hem`i*pro"te*in\, n. [Hemi- + protein.] (Physiol.
   Chem.)
   An insoluble, proteid substance, described by
   Sch["u]tzenberger, formed when albumin is heated for some
   time with dilute sulphuric acid. It is apparently identical
   with antialbumid and dyspeptone.