from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Bible Of or relating to Noah or his time.
  • adj. Antiquated; ancient; long obsolete.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. of or relating to Noah or his time
  • adj. of or relating to the earliest Martian geological time period characterized by large craters
  • n. the Noachian geological period

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to the patriarch Noah, or to his time.

from The Century Dictionary and Cyclopedia

  • Of or relating to Noah the patriarch or his time: as, the Noachian deluge; Noachian laws or precepts.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. of or relating to Noah or his time


Sorry, no etymologies found.


  • This was some 3.5–4.5 billion years ago in what is called the Noachian age of Mars, yet remainders of those days have been detected in low levels of magnetism still present in some areas.

    First Contact

  • The scientists postulate that the Gusev rocks, with their significant 16 to 34 percent content of carbonates, were probably deposited from a carbonate-rich solution with a near neutral pH under hydrothermal conditions - similar to those obtained in the hot springs on Iceland and Spitzbergen - during a period of volcanic activity in the so-called Noachian epoch some 3.5 to 4.6 billion years ago.


  • The great flood described in Genesis, commonly referred to as the Noachian Flood, was an historic event worldwide in its extent and effect.

    Latest Articles

  • Scientists have long known that flowing water formed many of the features seen on Mars today, but previous studies suggested that water runoff from precipitation had ceased after the first billion years of Mars 'history, called the Noachian Epoch. Top headlines

  • One day the earth President's son begins a small trek to the Noachian epoch to research possible water deposits underneath the surface only to find himself gasping for consciousness when he accidentally crashed through the surface into an untapped natural water channel and begins to be unmercifully dragged by torrential currents through the tunnels.

    SciFi Fairy Tales: The Little Mermaid goes to Mars

  • They believe that most dinos died off during the Noachian flood.

    What Christians Believe | My[confined]Space

  • Third, we can study and quantify the clay cycle under hydrological conditions typical of an arid climate similar to that occurred on early Mars about 3.5 billion years ago Late Noachian-Hesperian.

    SETI Institute: Life at the SETI Institute: Rosalba Bonaccorsi -- Protecting and Exploring Mars from Earth

  • I assume the Hesperian epoch would remain, as it is "marked by the formation of extensive lava plains" and the Noachian is defined ? by "many large impact craters" Wikipedia.

    New Images Suggest More Recent Lakes on Mars | Universe Today

  • In that scenario the clay-to-sulfate formation transition is captured along the Noachian-Hesperian boundary, as measured by cratering rates in and around Gale crater.

    Multi-Layer Mars Parfait Provides Environmental Record | Universe Today

  • Deists who accept only, e.g., “the ten commandments and the sermon on the mount” from the Bible, as John Adams put it, are obviously not going to feel bound by the tenets of young-earth creationism — the Creation account in Genesis not to speak of the Noachian Flood.

    Which MSNBC character muttered "Oh, God" contemptuously as Bobby Jindal sauntered out to speak last night?


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  • Mars's Geological period when it was covered in Water.

    - from a scientific talk about Mars "When Mars Was Like Earth: Five Years of Exploration with the Curiosity Rover"

    March 26, 2018