(immunology) A substance that induces an immune response, usually foreign.

(immunology) Of or relating to an antigen.

(biology, obsolete) Sexually dimorphic, especially with reference to lepidopterans.

(immunology) The ability, or degree of ability, to react with the products of an immune response.

plural of antigen

(genetics) An oligonucleotide that attaches to a specific gene and suppresses its action.

(immunology) In the manner of an antigen

plural of antigenicity

Opposing generation or procreation.

plural of antigene