Antiserum (noun)

A blood serum containing antibodies that have been produced in response to a specific antigen, used to treat or prevent infection by that antigen.

Origin:

From the prefix "anti-" meaning "against" and the word "serum" meaning "a clear, yellowish fluid that separates from clotted blood".

Examples:

1. Antiserum is used to treat or prevent infection.
2. Antiserum contains antibodies that have been produced in response to a specific antigen.
3. Antiserum can be used to treat certain types of infections.
4. Antiserum can be used to prevent certain types of infections.
5. Antiserum is often used to treat snake bites and other venomous bites or stings.