proteose

pro·te·ose

noun \ˈprōt-ē-ˌōs\

Definition of PROTEOSE

: any of various protein derivatives that are formed by the partial hydrolysis of proteins (as by enzymes of the gastric and pancreatic juices), that are not coagulated by heat, and that are soluble in water but are precipitated from solution by saturation with ammonium sulfate—compare peptone 1