Serum (noun) Definition, Meaning & Examples

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noun, plural se·rums, se·ra [seer-uh]. /ˈsɪər ə/.
  1. the clear, pale-yellow liquid that separates from the clot in the coagulation of blood; blood serum.
  2. immune serum.
  3. any watery animal fluid.
  4. the thin, clear part of the fluid of plants.
  5. milk whey.
noun plural -rums or -ra (-rə)
  1. See blood serum
  2. antitoxin obtained from the blood serum of immunized animals
  3. clear watery fluid, esp that exuded by serous membranes
  4. a less common word for whey
Plural serums sera
    Serum (noun) Definition, Meaning & Examples

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