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

 

anomaly

 noun
noun
BrE BrE//əˈnɒməli//
 
; NAmE NAmE//əˈnɑːməli//
 
(pl. anomalies)
 
jump to other results
anomaly (in something) a thing, situation, etc. that is different from what is normal or expected the many anomalies in the tax system the apparent anomaly that those who produced the wealth, the workers, were the poorest Word Origin late 16th cent.: via Latin from Greek anōmalia, from anōmalos, from an- ‘not’ + homalos ‘even’.Extra examples He argued that Parliament should remove the anomaly that no member could be imprisoned for debt. He was not the first to point out the apparent anomaly that those who produced the wealth, the workers, were the poorest members of society. The contradictions and anomalies in the old scheme were obvious. The existing law is full of loopholes and anomalies.
See the Oxford Advanced American Dictionary entry: anomaly