noun (plural antibodies)
A blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances which the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood.
More example sentences
- We can reduce levels of that substance by introducing into the body antibodies that specifically recognize it.
- You have an immune response to the vaccine as your body develops antibodies to the virus.
- An antibody is a protein which recognises a foreign molecule, known as an antigen.
Definition of antibody in:
- The US English dictionary