Noachian

• (UK) IPA^(key): /nəʊˈeɪkɪən/

From Noach (“variant of Noah”) +‎ -ian.

Noachian (not comparable)

1. Pertaining to Noah or his time. [from 17th c.]
   • 2011, Steven Pinker, The Better Angels of Our Nature, Penguin, published 2012, page 13:

     The victims of the Noachian flood would add another 20 million or so to the total.

   • 2014, Elizabeth Kolbert, chapter 1, in The Sixth Extinction: An Unnatural History, Henry Holt and Company:

     At the time of my visit, EVACC was down to just one Rabbs' Frog, so the possibility of saving even a single, Noachian pair had obviously passed.

• • Noahian
  • Noahtic

   

• Noahide, Noahite

From Noachis +‎ -ian (after Etymology 1, above).

Noachian (not comparable)

1. Pertaining to the earliest Martian geological time period characterized by large craters. [from 20th c.]

Noachian (uncountable)

1. The Noachian geological period. [from 20th c.]

• Hesperian
• Amazonian