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English definition of “abnormal”

abnormal

adjective  /æbˈnɔr·məl, əb-/ us  
not usual or average: We had an abnormal amount of snow. He has an abnormal heartbeat.
abnormality
noun [C/U]  /ˌæb·nɔrˈmæl·ɪ·t̬i, -nər-/ us  
[C] No abnormalities showed up in the blood tests.
abnormally
adverb  /æbˈnɔr·mə·li, əb-/ us  
It was abnormally hot this summer.
(Definition of abnormal from the Cambridge Academic Content Dictionary © Cambridge University Press)
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