ab ‧ nor ‧ mal ‧ i ‧ ty /ˌæbnɔːˈmæləti, ˌæbnɔːˈmælɪti $ -nər-/ BrE AmE noun ( plural abnormalities ) [uncountable and countable]
[ Word Family: noun : NORMALITY/NORMALCY ≠ ↑ abnormality , ↑ normal , ↑ normalization ; verb : ↑ normalize ; adverb : ↑ normally ≠ ↑ abnormally ; adjective : ↑ normal ≠ ↑ abnormal ]
an abnormal feature, especially something that is wrong with part of someone’s body:
tests that can detect genetic abnormalities in the foetus