anomaly

US /əˈnɑː.mə.li/
UK /əˈnɑː.mə.li/
"anomaly" picture
1.

anomalia, irregolarità, deviazione

something that deviates from what is standard, normal, or expected

:
The detected signal was an anomaly, not fitting the expected pattern.
Il segnale rilevato era un'anomalia, non corrispondente al modello atteso.
His sudden silence was an anomaly, as he was usually very talkative.
Il suo improvviso silenzio era un'anomalia, dato che di solito era molto loquace.