serum
🇺🇸
/ˈsɪrəm/
🇬🇧
/ˈsɪərəm/
A clear liquid part of blood that is left after the blood becomes thick and solid.
The doctor examined the serum to check for any diseases.
A substance taken from an animal's blood and used to protect people from diseases or poison.
After being bitten by the snake, the boy was quickly given a snakebite serum.
Any liquid in the body that is like water.
The serum in our bodies helps transport nutrients and remove waste.