serum

From Latin serum (“whey”). Cognates: French sérum, Spanish suero, Italian siere, siero, Portuguese soro.

• (UK) IPA^(key): /ˈsɪəɹəm/, /ˈsiːɹəm/
• (US) IPA^(key): /ˈsɪɹ.əm/

serum (plural serums or sera)

1. The clear yellowish liquid obtained upon separating whole blood into its solid and liquid components after it has been allowed to clot. Also called blood serum.
2. Blood serum from the tissues of immunized animals, containing antibodies and used to transfer immunity to another individual, called antiserum.
3. 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.
4. The watery portion of certain animal fluids, as blood, milk, etc; whey.
5. (skincare) An intensive moisturising product to be applied after cleansing but before a general moisturiser.

• sero-

• serum in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• serum in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• serum at OneLook Dictionary Search

• Esrum, Mureș, Remus, Sumer, merus, mures, murse, muser, resum, semur

Ultimately from Latin serum. This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

• IPA^(key): /ˈseː.rʏm/, [ˈsɪː.rʏm]

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• Hyphenation: se‧rum

serum n (plural sera or serums)

1. blood serum

• antiserum
• bloedserum

From Proto-Indo-European *ser- (“to flow, run”); see also Sanskrit सर (sara, “flowing”), Sanskrit सार (sā́ra, “curd, cream”), Sanskrit सारण (sāraṇa, “flowing, buttermilk”), and Ancient Greek ὁρός (horós, “whey, curd, semen”).

• (Classical) IPA^(key): /ˈse.rum/, [ˈsɛ.rũ]

serum n (genitive serī); second declension

1. whey

Second declension.

sērum

1. nominative neuter singular of sērus

• serum in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• serum in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• serum in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• serum in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette

Borrowed from Latin serum (“whey”).

• IPA^(key): /sěːrum/
• Hyphenation: se‧rum

sérum m (Cyrillic spelling се́рум)

1. serum

serum m (plural serums)

1. serum