Archean
(Ar-che-an)
3 syllables
Definition
adjective. Relating to the eon from about 4,000 to 2,500 million years ago, characterized by the formation of the Earth's first continents and the appearance of the earliest known life forms.
Example Sentence
The Archean eon marks a significant period in Earth's geological history.
More Example Sentences
During the Archean, the planet's crust began to stabilize, forming the first continents.
Synonyms
Antonyms
Hear It! Say It! Write It!
Archean
