| NOUN | substance | ragweed pollen | pollen of the ragweed plant is a common allergen |
|---|
| Meaning | pollen of the ragweed plant is a common allergen. | |
|---|---|---|
| Broader | allergen | Any substance that can cause an allergy |
| pollen | The fine spores that contain male gametes and that are borne by an anther in a flowering plant | |
| Spanish | polen de ambrosía | |
| Catalan | pol·len d'ambròsia | |
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