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anomaly

/əˈnɒm.ə.lɪ/ noun

In Latin: anōmalia, irrēgulāritās, abnōrmitās Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about anomaly at Wordnik → Where our words come from →

  1. A deviation from a rule or from what is regarded as normal; an outlier.
  2. Something or someone that is strange or unusual.
    He is an anomaly among his friends in that he's the only one who's unmarried.
  3. Any event or measurement that is out of the ordinary regardless of whether it is exceptional or not.
    She disregarded some of the anomalies in the experiment, putting them down to miscalculation.

Origin

From Latin anomalia, from Ancient Greek ἀνωμαλία (anōmalía, “irregularity, anomaly”), from ἀνώμαλος (anṓmalos, “irregular, uneven”), negating the meaning of ὁμαλός (homalós, “even”), from ὁμός (homós, “same”).

From Wiktionary, via Kaikki.org (CC BY-SA)