antigen
noun
any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)
Source: WordNet 3.1, Princeton University
Antigen meaning
What does “antigen” mean? Definitions, examples, synonyms and opposites.
“antigen” is a noun with one meaning. Its most common meaning is: any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies).