serum : Idioms & Phrases

• noun an amber, watery fluid, rich in proteins, that separates out when blood coagulates
  serum.
  

WordNet

• the pale yellowish fluid which exudes from the clot formed in the coagulation of the blood; the loquid portion of the blood, after removal of the blood corpuscles and the fibrin.

Webster 1913

• noun a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
  immunoglobulin; immune gamma globulin; Ig; immune globulin.
  

WordNet

• the thin watery fluid which separates from the muscles after coagulation of the muscle plasma; the watery portion of the plasma. See Muscle plasma, under Plasma.

Webster 1913

• noun albumin occurring in blood serum; serves to maintain the somatic pressure of the blood
  

WordNet

• (Physiol. Chem.), an albuminous body, closely related to egg albumin, present in nearly all serous fluids; esp., the albumin of blood serum.

Webster 1913

• noun a delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the donor serum
  serum disease.
  

WordNet

• noun globulins occurring in blood serum and containing most of the antibodies of the blood
  

WordNet

• (Physiol. Chem.), paraglobulin.

Webster 1913

• noun an acute (sometimes fatal) form of viral hepatitis caused by a DNA virus that tends to persist in the blood serum and is transmitted by sexual contact or by transfusion or by ingestion of contaminated blood or other bodily fluids
  hepatitis B.
  

WordNet

• (Physiol. Chem.), the whey, or fluid portion of milk, remaining after removal of the casein and fat.

Webster 1913

• noun a delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the donor serum
  serum disease.
  

WordNet

• noun an intravenous anesthetic drug that has a hypnotic effect; induces relaxation and weakens inhibitions; is believed to induce people to talk freely
  truth drug.
  

WordNet