Definitions

1. noun

a liquid preparation containing a concentrated solution of a particular substance, especially a drug or vaccine, for injection into the body

“The doctor administered a dose of serum to the patient to boost their immune system.”

2. noun

a component of blood plasma that is used to diagnose or treat a medical condition

“The doctor tested the serum for signs of infection.”

3. noun

a liquid preparation used in cosmetic or dermatological treatments

“The beauty therapist applied a serum to the client’s skin to reduce fine lines and wrinkles.”

4. noun

a particular fluid or solution used in a process or machine

“The engine required a specialized serum to operate efficiently.”

5. verb

to extract or obtain a substance, especially a valuable or essential one, from a liquid or other source

“The scientists managed to serum the valuable minerals from the ore.”