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Noachian

American  
[noh-ey-kee-uhn] / noʊˈeɪ ki ən /
Also Noachic

adjective

  1. of or relating to the patriarch Noah or his time.


Noachian British  
/ -ˈeɪkɪk, nəʊˈækɪk, nəʊˈeɪkɪən /

adjective

  1. Old Testament of or relating to the patriarch Noah

"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

Etymology

Origin of Noachian

1670–80; Noach (variant of Noah ) + -ian