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Meaning of serum

se•rum

Pronunciation: (sēr'um), [key]
— pl. se•rums, se•ra
  1. the clear, pale-yellow liquid that separates from the clot in the coagulation of blood; blood serum.
  2. See
  3. any watery animal fluid.
  4. the thin, clear part of the fluid of plants.
  5. milk whey.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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