Definition of


  1. (noun, body) an amber, watery fluid, rich in proteins, that separates out when blood coagulates

via WordNet, Princeton University

Synonyms of Serum

blood serum

Alternate forms of Serum

Derivations: serous

Hyponyms: antiserum, milk whey, whey

Hypernyms: bodily fluid, body fluid, humor, humour, liquid body substance

Origin of the word Serum

  1. 1672, "watery animal fluid," from L. serum "watery fluid, whey," from PIE base *ser-/*sor- "to run, flow" (cf. Gk. oros "whey;" Skt. sarah "flowing," sarit "brook, river"). First applied 1893 to blood serum used in medical treatments. more

via Online Etymology Dictionary, ©2001 Douglas Harper

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