noun
EXAMPLES FROM CORPUS
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An attempt to visualise the proximal bile ducts resulted in a small perforation .
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Complicated appendicitis was defined as appendicitis with histopathological evidence of perforation or gangrenous change.
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In no patient was there evidence of perforation , even in those in whom bile collections were found.
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One room could be filled entirely with keyboards, which operated by punching coded perforations on to a roll of paper ribbon.
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These curious drum-shaped clay objects characteristically have two perforations on one side and two or three stalks rising from the top.
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Today she is in Pennsylvania Hospital with perforation of her stomach.
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When the stereo sends audio signals to the electrodes in the speaker, sound comes out of the perforations.