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erasion

[ ih-rey-zhuhn, -shuhn ]

noun

  1. the act of erasing.
  2. Surgery.
    1. the scraping away of tissue, especially of bone.
    2. Also called arthrectomy. excision of a joint.

erasion

/ ɪˈreɪʒən /

noun

  1. the act of erasing; erasure
  2. the surgical scraping away of tissue, esp of bone
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of erasion1

First recorded in 1780–90; erase + -ion

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erasing headErasistratus

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