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Serum vs Undefined - What's the difference?

serum | undefined |

As a noun serum

is serum.

As an adjective undefined is

lacking a definition or value.

serum

English

(wikipedia serum)

Noun

(en-noun)
  • The clear yellowish fluid obtained upon separating whole blood into its solid and liquid components after it has been allowed to clot. Also called blood serum.
  • Blood serum from the tissues of immunized animals, containing antibodies and used to transfer immunity to another individual, called antiserum.
  • A watery fluid from animal tissue, especially one that moistens the surface of serous membranes or that is exuded by such membranes when they become inflamed, such as in edema or a blister.
  • The watery portion of certain animal fluids, as blood, milk, etc; whey.
  • (skincare) An intensive moisturising product to be applied after cleansing but before a general moisturiser.
  • Derived terms

    * antiserum * blood serum * immune serum * serous * serum sickness * truth serum

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
  • The result of division by zero is undefined .

    Antonyms

    * defined