Dictionary.com
definitions

nearthrosis

noun plural -ses (-siːz)
  1. another name for pseudoarthrosis
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
nearthrosis in Medicine

nearthrosis

[nē′är-thrō′sĭs]
n.
  1. A pseudarthrosis arising in an ununited fracture.
  2. A new joint resulting from a total joint replacement operation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.