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单词 azoic
释义

WordReference Random House Unabridged Dictionary of American English © 2024
a•zo•ic1  (ə zō′ik, ā-),USA pronunciation adj. [Geol.]
  1. Geology(formerly) noting or pertaining to the Precambrian Era, esp. that part formerly believed to precede the first appearance of life;
    Archean. Cf. Eozoic.
  • Greek ázō(os) lifeless (see azo-) + -ic
  • 1840–50

a•zo•ic2  (a zō′ik),USA pronunciation adj. 
  1. of, pertaining to, or characteristic of the azo group.
  • azo- + -ic

Collins Concise English Dictionary © HarperCollins Publishers::
azoic /əˈzəʊɪk eɪ-/ adj
  1. without life; characteristic of the ages that have left no evidence of life in the form of organic remains
Etymology: 19th Century: from Greek azōos lifeless; see azo-
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更新时间：2024/11/13 10:44:47