Akademik

hay fever
noun
a seasonal rhinitis resulting from an allergic reaction to pollen (Freq. 1)
Syn: ↑pollinosis
Hypernyms: ↑allergic rhinitis

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noun [singular]
medical : a sickness that is like a cold and that is caused by breathing in plant pollen

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ˈhay fever [hay fever] noun uncountable
an illness that affects the nose, eyes and throat and is caused by ↑pollen from plants that is breathed in from the air

Useful english dictionary. 2012.