serum

Meaning

1. The clear yellowish liquid obtained upon separating whole blood into its solid and liquid components after it has been allowed to clot.
2. Blood serum from the tissues of immunized animals, containing antibodies and used to transfer immunity to another individual.
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 like blood, milk, etc; whey.
5. A skincare product of varying consistencies with a high concentration of one or more active ingredients, for a targeted purpose, such as preventing acne, repairing sun damage, or moisturizing.

Synonyms

blood serum

lymph

plasma

whey

fluid

juice

potion

sap

slime

slurry

tonic

serosity

medicine

💊

water

🚰

immunotoxin

antitoxic serum

antiserum

serous fluid

antitoxin

blood

🩸

drug

💊

Pronounced as (IPA)

/ˈsɪəɹəm/

Etymology

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