Hypertext Webster Gateway: "obsolescence"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Obsolescence \Ob`so*les"cence\, n. [See {Obsolescent}.]
The state of becoming obsolete.
From WordNet (r) 1.7 (wn)
obsolescence
n : the process of becoming obsolete; falling into disuse or
becoming out of date; "a policy of planned obsolescence"
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