Meaning of Hadean time | Babel Free
Definitions
The geologic eon from about 4,600 to 3,800 million years ago, marked by the formation of the first rocks.
Examples
“It may be that erosion or metamorphism destroyed traces of Hadean life, or that Hadean time preceded the evolution of life. In any case, Hadean time is not amenable to subdivision based on fossils.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.