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erasion

[ih-rey-zhuh n, -shuh n]
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.
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Origin of erasion

First recorded in 1780–90; erase + -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for erasion

erasion

noun
  1. the act of erasing; erasure
  2. the surgical scraping away of tissue, esp of bone
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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