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ob•so•les•cent



Pronunciation: (ob"su-les'unt), [key]
adj.
1. becoming obsolete; passing out of use, as a word: an obsolescent term.
2. becoming outdated or outmoded, as machinery or weapons.
3. Biol.gradually disappearing or imperfectly developed, as vestigial organs.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

obsolescenceobsolete
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