ˈgläbyələ̇n noun
( -s )
Etymology: International Scientific Vocabulary globul- (from Latin globulus globule) + -in
: any of a class of simple proteins (as myosin, edestin, gamma globulin) that are characterized by their almost complete insolubility in pure water or usually in half-saturated ammonium sulfate or sodium sulfate solutions and by their solubility in dilute salt solutions, that are coagulable by heat, and that occur widely in plant and animal tissues (as blood plasma or serum) ; especially : serum globulin — see euglobulin , pseudoglobulin