单词 | obsolescent |
释义 | obsolescent —obsolescently, adv. /ob'seuh les"euhnt/, 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 becoming outdated or outmoded, as machinery or weapons. 3.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. [1745-55; < L obsolescent- (s. of obsolescens, prp. of obsolescere to fall into disuse). See OBSOLETE, -ESCENT] |
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