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obsolesce

[ob-suh-les]
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verb (used without object), ob·so·lesced, ob·so·lesc·ing.
  1. to be or become obsolescent.
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Origin of obsolesce

1870–75; < Latin obsolescere; see obsolete
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for obsolescing

obsolesce

verb
  1. (intr) to become obsolete
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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

Word Origin and History for obsolescing

obsolesce

v.

1801, from Latin obsolescere "to grow old, wear out, lose value, become obsolete," inchoative of obsolere "fall into disuse" (see obsolete). Related: Obsolesced; obsolescing.

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Online Etymology Dictionary, © 2010 Douglas Harper