Main Entry: al·ler·gy

Pronunciation: \ˈal-ər-jē\

Function: noun

Inflected Form(s): plural al·ler·gies

1 : altered bodily reactivity (as hypersensitivity) to an antigen in response to a first exposure <his bee-venom allergy may render a second sting fatal>
2 : exaggerated or pathological reaction (as by sneezing, respiratory embarrassment, itching, or skin rashes) to substances, situations, or physical states that are without comparable effect on the average individual
3 : medical practice concerned with allergies