The definition of an antibody is a protein molecule that can be found in the blood and is intended to attack bacteria, viruses and transplanted organs.(noun)
An example of an antibody is rituximab.
See antibody in Webster's New World College Dictionary
noun pl. antibodies
See antibody in American Heritage Dictionary 4
noun pl. an·ti·bod·ies
Origin: Translation of German Antikörper
Origin: : anti-, antagonistic (from Latin anti-, anti-)
Origin: + Körper, body.
When bacteria enter a flesh wound, a B lymphocyte releases antibodies, which collect the bacteria and direct them toward a macrophage for destruction.
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