immediate allergy im·me·di·ate allergy (ĭ-mē'dē-ĭt)
n.
Hypersensitivity that becomes evident within seconds or minutes after contact with an antigen, reaches its peak within an hour or so, then recedes.
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| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a scrap or morsel of food left at a meal. |
| immediate allergy | |
noun | |
| an allergic reaction that becomes apparent in a sensitized person only minutes after contact |