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English definition of “irregularity”

irregularity

noun (SHAPE)    /ɪˌreɡ.jəˈlær.ə.ti/ US  /-ˈler.ə.t̬i/
[C or U] the quality of not being regular in shape or form , or an example of this: The pictures showed cracks and other irregularities in otherwise perfectly regular crystals . The west of the island is famous for the irregularity of its coastline .Rough, irregular and uneven
(Definition of irregularity noun (SHAPE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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