serum
/ˈsɪɹəm/
Frequency: Zipf frequency 3.74 in modern English
Meaning
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).
Countable; Uncountable
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.
Countable; Uncountable
noun
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.
Countable; Uncountable
Example Sentences
Etymology
Origin
- Source language: Latin
Word Breakdown
- Root: serum
Regional Pronunciation
- American English: /ˈsɪɹəm/
- British English: /ˈsɪəɹəm/