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serum
Definitions
[ˈsɪərəm], (Noun)
Definitions:
- an amber-coloured, protein-rich liquid which separates out when blood coagulates
(e.g: the researchers examined blood serum obtained from 471 men and women)
- the blood serum of an animal used to provide immunity to a pathogen or toxin by inoculation or as a diagnostic agent
(e.g: doctors treated the bites of carpet vipers with serum produced from local snakes)
Phrases:
Origin
:
late 17th century: from Latin, literally ‘whey’
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definition by Oxford Dictionaries