serum

Part of speech: noun

A watery animal fluid, as the watery portion of the blood.

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Usage examples "serum":

  1. The method depends on the principle that solutions isotonic to the blood corpuscles and to the blood serum will not alter the volume of the blood corpuscles, whereas hypertonic solutions decrease that volume. - "The Mechanism of Life", St├ęphane Leduc.
  2. By that time he could be practically certain whether or not the serum had " gripped" the disease, and would at last conquer it. - "The Brightener", C. N. Williamson A. M. Williamson.
  3. Uhlenhuth, Nuttall, and others have established the fact that the blood- serum of a rabbit which has previously had human blood injected into it, forms a precipitate with human blood. - "Darwin and Modern Science", A.C. Seward and Others.