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Definition of "imperforate" [im•per•fo•rate]

  • Having no opening; not perforated. (adjective)
  • Not separated by rows of perforations: imperforate sheets of stamps. (adjective)
  • Medicine Lacking a normal opening: an imperforate anus. (adjective)
  • An imperforate stamp. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "imperforate" in a sentence
  • "-- In children the condition known as imperforate anus may sometimes be remedied by exploratory operations in the perineum, guided by the protrusion caused by the distended intestine."
  • "The two general types of coral known as imperforate and perforate."
  • "Briony had an imperforate anus, a failure of her colon and rectum to meet up with the skin on the outside."