Plural of serum
regular plural
The plural of serum is serums or sera.
Forms of serum
| Singular | serum /ˈsɪəɹəm/ |
|---|---|
| Plural | serums sera |
| Countable | countable and uncountable |
Serums and sera in a sentence
- The Australian government has a team that regularly milks various snakes for venom to use creating serums and antivenoms.From the entry milk
- Consequently, there is a swell of hair care regimens, including serums, gels, balms, creams and sprays promising moisture-rich curls, without frizz or flyaways.2007 January 18, Marcelle S. Fischler, “Taming Frizz and Setting Curls Free”, in New York Times. From the entry flyaway
- "The British run torture centers in Cyprus where they beat their prisoners, inject them with truth serums, extract their teeth and fingernails," cried Athens' Voice of the Fatherland radio.1956 February 13, “Cyprus: Heat & Haggling”, in Time. From the entry truth serum
- Sera diluted to subagglutinating titer were added to 1 mL of bacterial suspension.2015 July 11, “Entry of Francisella tularensis into Murine B Cells: The Role of B Cell Receptors and Complement Receptors”, in PLOS ONE…. From the entry subagglutinating
- Under these circumstances truth sera and lie detectors are not dependable.1973 November, William Gangi, “Books for Lawyers”, in American Bar Association Journal, volume 59, section “Reliability of Evidence. By…. From the entry truth serum
Meaning of serum
- noun Blood serum used as a blood product, in the practice of medicine: blood serum from the tissues of immunized animals (human or nonhuman), containing antibodies and used to transfer immunity to another individual (human or nonhuman).
- noun A watery liquid 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.
- noun The watery portion of certain other animal fluids, such as milk; whey.
Questions about the plural of serum
- What is the plural of serum?
- The plural of serum is serums or sera.
- Which is correct, serums or sera?
- Both are used. sera is the more common of the two in English writing.
- Is serum countable?
- Serum is a countable and uncountable noun.
Source and license
Adapted from Wiktionary: serum (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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Cite this page: “Plural of serum.” Word.ws, https://word.ws/plural/serum. Based on Wiktionary, CC BY-SA 4.0.