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

irregularity

noun
 
/ɪˌreɡjəˈlærəti/
 
/ɪˌreɡjəˈlærəti/
(plural irregularities)
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  1. [countable, uncountable] an activity or a practice that is not according to the usual rules, or not normal
    • alleged irregularities in the election campaign
    • Investigators found no evidence of financial irregularity.
    • Irregularities occur when there is no central control.
    Oxford Collocations Dictionaryadjective
    • serious
    • minor
    • slight
    verb + irregularity
    • investigate
    • detect
    • report
    irregularity + verb
    • occur
    preposition
    • irregularity in
    See full entry
  2. [countable, uncountable] something that does not happen at regular intervals
    • a slight irregularity in his heartbeat
  3. [uncountable, countable] something that is not smooth or regular in shape or arrangement
    • The paint will cover any irregularity in the surface of the walls.
  4. compare regularity
    Word OriginMiddle English: from Old French irregularite, from late Latin irregularitas, from irregularis, from in- ‘not’ + regularis (from regula ‘rule’).
See irregularity in the Oxford Advanced American DictionarySee irregularity in the Oxford Learner's Dictionary of Academic English
alloy
noun
 
 
From the Topic
Physics and chemistry
C2
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