serum meaning

• Noun: serum (serums,sera)  si(u)rum
  1. An amber, watery fluid, rich in proteins, that separates out when blood coagulates
     - blood serum

  Derived forms: sera, serums

  See also: serous

  Type of: bodily fluid, body fluid, humor [US], humour [Brit, Cdn], liquid body substance

  Part of: blood

  Encyclopedia: Serum

• 
  [Medicine]
  The clear portion of BLOOD that is left after BLOOD COAGULATION to remove BLOOD CELLS and clotting proteins. n pl serums or se·ra : the watery portion of an animal fluid remaining after coagulation:
  a (1) : the clear yellowish fluid that remains from blood plasma after fibrinogen, prothrombin, and other clotting factors have been removed by clot formation —called also blood serum (2) : ANTISERUM
  b : a normal or pathological serous fluid (as in a blister)
  ²serum
  adj : occurring or found in the serum of the blood ‹serum cholesterol› ‹serum glutamic-oxaloacetic transminase›
  

• antilymphocyte serum:     /an-ti-limˈfə-sīt ...
• antilymphocytic serum:    [Medicine]n : ANTI ...
• blood serum:    Noun: blood serum& ...

Examples

1. one profile was obtained for whole serum.
2. serum bilirubin levels are elevated.
3. in a word, serum hepatitis was also infectious.
4. antibodies were part of the r-globulin fraction of serum.
5. the only available hyperimmune serum was of equine origin.