English

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Etymology

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im- +‎ perforate

Adjective

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imperforate (not comparable)

  1. Not perforated, as:
    Synonyms: imperforated, nonperforated, impatent
    1. (medicine) Synonym of atretic
      imperforate anus
      imperforate hymen
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Noun

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imperforate (plural imperforates)

  1. (philately) A postage stamp that has not been perforated.