Serum

(se’-rum) [L.]. I. The clear, yellowish fluid separating from the blood after the coagulation of the fibrin. 2. Any clear fluid resembling the S. of the blood. S. -albumin, the albumin found in the blood-serum and other animal fluids. S.- globulin. See Para globulin. S. lactis, whey. S.-unit. See Unit. 576