Clue: Billion-year span
We have 1 possible answer for the clue Billion-year span which appears 4 times in our database.
Possible Answers:
Related Clues:
- Many, many centuries
- Nearly forever
- Long geologic time division
- Nearly infinite perioD
- A gazillion years, seemingly
- Seemingly endless time
- Many a doctor's office wait, seemingly
- Twenty bajillion years
- Millions of lifetimes
- Great geological time span
- Geological age
- Quasi-opposite of ''flash''
- Proterozoic ___
- Geologist's unit
- Many, many epochs