serum
/ˈsɪrəm/
noun
- The clear, thin liquid part of blood that remains after clotting, used in medical tests and treatments.
- The doctor ordered a blood test to check the levels of glucose in the serum.
- After the blood clotted, the lab separated the serum for analysis.
- Scientists use serum to study how the immune system responds to infections.
- A liquid product made from blood serum that contains antibodies, used to treat or prevent diseases.
- Vaccines sometimes contain serum to help the body fight off specific viruses.
- During the outbreak, doctors administered serum to boost patients' immunity.
- The snakebite victim was given an antivenom serum at the hospital.
- A cosmetic or skincare product that contains a high concentration of active ingredients.
- This hydrating serum helps reduce the appearance of fine lines.
- For best results, use the serum before your moisturizer.
- She applies a vitamin C serum every morning to brighten her skin.