All ragweed synonyms
rag·weed
R r noun ragweed
- allergen — An allergen is a substance that causes an allergic reaction in someone.
- dust mite — any of various mites, especially Dermatophagoides pteronyssinus and D. farinae, that ingest shed skin cells and may cause allergic reactions.
- antigen — An antigen is a substance that helps the production of antibodies.
- antigens — Immunology. any substance that can stimulate the production of antibodies and combine specifically with them.