noachian epoch
Word Rarity
Very rare
Frequency: Zipf frequency 1.21 in modern English
25
Scrabble Score
13
Letters
3
Syllables
8
Unique Chars
Meaning
name
The earliest of the Martian geologic epochs, approximately from 3,800 million years ago to 3,500 million years ago, marked by many large impact craters and followed by the Hesperian epoch.
Etymology
Inflected Forms
the Noachian epoch (canonical)