Origin of serum
1655–65; < Latin: whey
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
C17: from Latin: whey
Word Origin and History for serumal
1670s, "watery animal fluid," from Latin serum "watery fluid, whey," from PIE root *ser- (2) "to run, flow" (cf. Greek oros "whey;" Sanskrit sarah "flowing," sarit "brook, river"). First applied 1893 to blood serum used in medical treatments.
Online Etymology Dictionary, © 2010 Douglas Harper
- Relating to or derived from serum.
- A watery fluid, especially one that moistens the surface of serous membranes or that is exuded by such membranes when they become inflamed.
- The clear yellowish fluid obtained upon separating whole blood into its solid and liquid components.
- Such fluid from the tissues of immunized animals, containing antibodies and used to transfer immunity to another individual.
- See blood serum.
- Blood serum extracted from an animal that has immunity to a particular disease. The serum contains antibodies to one or more specific disease antigens, and when injected into humans or other animals, it can transfer immunity to those diseases.
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