Hadean time
Hadean time proper noun: the geologic eon from about 4,600 to 3,800 million years ago, marked by the formation of the first rocks.
Proper noun
Hadean time
- The geologic eon from about 4,600 to 3,800 million years ago, marked by the formation of the first rocks.
- 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.1998, Graham R. Thompson, Jonathan Turk, Introduction to Physical Geology, page 150
- Synonyms:
- Hadean
Synonyms of Hadean time
Questions about Hadean time
- What does Hadean time mean?
- Hadean time means the geologic eon from about 4,600 to 3,800 million years ago, marked by the formation of the first rocks.
- What part of speech is Hadean time?
- Hadean time is a proper noun.
Words near Hadean time in the dictionary
Source and license
Adapted from Wiktionary: Hadean time (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Cite this entry: “Hadean time.” Word.ws, https://word.ws/hadean_time. Based on Wiktionary, CC BY-SA 4.0.
