a substance that stimulates the production of antibodies
WordReference Random House Learner's Dictionary of American English © 2026
an•ti•gen /ˈæntɪdʒən, -ˌdʒɛn/USA pronunciation
n. [countable]
an•ti•gen•i•cal•ly, adv. See -gen-.
WordReference Random House Unabridged Dictionary of American English © 2026- Immunologya protein that can cause the body to react by producing an antibody that fights infection or disease.
an•ti•gen•i•cal•ly, adv. See -gen-.
an•ti•gen
(an′ti jən, -jen′),USA pronunciation n.
an•ti•gen•ic
(an′ti jen′ik),USA pronunciation adj.
an′ti•gen′i•cal•ly, adv.
an•ti•ge•nic•i•ty
(an′ti jə nis′i tē),USA pronunciation n.
- Immunologyany substance that can stimulate the production of antibodies and combine specifically with them.
- Drugs[Pharm.]any commercial substance that, when injected or absorbed into animal tissues, stimulates the production of antibodies.
- Immunologyantigens of a particular type collectively.
- 1905–10; anti(body) + -gen
Collins Concise English Dictionary © HarperCollins Publishers::
'antigen' also found in these entries (note: many are not synonyms or translations):
A
- AB
- ABO system
- Arthus' reaction
- B
- B cell
- CD4
- HLA
- HLA antigen
- HY antigen
- IgD
- Ir gene
- PSA
- affinity
- agglutinogen
- alloantibody
- alloantigen
- allotype
- anamnesis
- anaphylaxis
- anergy
- anti-idiotype
- antibody
- antigenic determinant
- antiserum
- autoantigen
- avidity
- blocking antibody
- cardiolipin
- cell-mediated immunity
- complement-fixation test
- cross-react
- cross-reaction
- crotalin
- determinant
- genetic marker
- hapten
- heterologous
- heterophil
- histocompatibility antigen
- homologous
- human leukocyte antigen
- hypersensitize
- idiotype
- immune
- immune complex
- immune response
- immune serum
- immunity
- immunocompetent