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authigenic

[ aw-thi-jen-ik ]

adjective

, Geology.
  1. (of a constituent of a rock) formed in the rock where it is found. Compare allogenic ( def 1 ).


authigenic

/ ˌɔːθɪˈdʒɛnɪk /

adjective

  1. (of minerals) having crystallized in a sediment during or after deposition
“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


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Word History and Origins

Origin of authigenic1

1885–90; < German Authigen < Greek authigenḗs native to a specific place ( aûthi there + -genēs born) + -ic; genic
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Word History and Origins

Origin of authigenic1

C19: from German authigene from Greek authigenēs native + -ic

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