Imperforation

The Century Dictionary and Cyclopedia
  • noun. The state of being imperforate or without aperture.
  • the GNU version of the Collaborative International Dictionary of English
  • noun. The state of being without perforation.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. The state of being without perforation.
  • Word Usage
    "There may be imperforation or congenital occlusion of some portion of the urethra, causing enormous accumulation of urine in the bladder, but fortunately there is generally in such cases some anomalous opening of the urethra giving vent to the excretions."