allergen

/al-er-juhn, -jen/US // ˈæl ər dʒən, -ˌdʒɛn //UK // (ˈæləˌdʒɛn) //

致敏原,过敏源,过敏原,过敏症

Definitions

n.名词 noun

1
Immunology.
- : any substance, often a protein, that induces an allergy: common allergens include pollen, grasses, dust, and some medications.

nounirritant

Synonyms

While the sealed allergen system and HEPA filter trap 99% of dust and allergens inside the vacuum so once you’ve vacuumed it up, it’s not going anywhere.
A bag-fill indicator lets you know when the bag needs to be replaced, and a pet-friendly accessory sucks up hair and fur allergens.
Many of these stations come with allergen filters and other sensors to keep its contents completely sealed.
Roseward’s washable masks are crafted from mulberry silk, which works well with sensitive skin and is naturally resistant to a number of common allergens.
Meanwhile, a built-in HEPA filter also captures any allergens.
Some 41 percent of allergy-free and wheeze-free children had grown up in such allergen and bacteria-rich homes.
One, the study is the first of its kind to look at the effects of a bacteria/allergen exposure in combination with one another.