| immunogen | (n) any substance or organism that provokes an immune response (produces immunity) when introduced into the body, Syn. immunizing agent |
| immunogenic | (adj) possessing the ability to elicit an immune response |
| immunogenicity | (n) the property of eliciting an immune response |
| immunogen | n. any substance that produces immunity when introduced into the body. [ WordNet 1.5 ] |