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{%type%} Definitions

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Short "hint"

n. - The time from 3,800 million years to 2,500 million years ago.

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Usage examples (2)
  • Your mortal bet is to this sphere archean, and increase a corking credit judgment from the line.
  • The archean age, during which the brooding seems to have gone on, was probably as long as all the ages since.
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