Definition of acne noun from the Oxford Advanced Learner's Dictionary

 

acne

 noun
noun
BrE BrE//ˈækni//
 
; NAmE NAmE//ˈækni//
 
[uncountable] Youth, Skin
 
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a skin condition, common among young people, that produces many pimples (= spots), especially on the face and neck to suffer from/have acne See related entries: Youth, Skin Word Origin mid 19th cent.: via modern Latin from Greek aknas, a misreading of akmas, accusative plural of akmē ‘highest point, peak, or facial eruption’; compare with acme.Extra examples A lot of teenagers develop acne. Acne often clears up by itself. Acne often clears up with a change in diet. Doctors can treat acne with creams. He had terrible acne when he was younger.
See the Oxford Advanced American Dictionary entry: acne