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se·rum
 serum
- pronunciation:
- si
r
 m
- features:
- Word Explorer
| part of speech: |
noun |
| inflections: |
sera, serums |
| definition 1: |
the thin, watery fluid remaining when the solid components of blood have clotted.
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| definition 2: |
such a fluid obtained from an immunized animal and used as an antitoxin.
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| definition 3: |
any watery liquid from an animal's tissue.
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| related words: |
blood |
| derivation: |
serumal (adj.) |
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