Last seen in:
- L.A. Times Daily - May 27 2022
- The Washington Post - May 27 2022
- Wall Street Journal - Apr 7 2020 - Sporting Chance
- Wall Street Journal - Nov 14 2018 - Double Meanings
- USA Today - Feb 17 2018
- USA Today - Nov 27 2017
- New York Times - Jul 5 2015
- Wall Street Journal - Jun 27 2014 - June 27, 2014 - Colorful Language
- Boston Globe - Jun 26 2011
- New York Times - Nov 28 2006
Related Clues:
- Geological period (Var.)
- Very long interval
- Long while
- Charlize Theron film, '-- Flux'
- Extremely long stretch
- Almost an eternity (Var.)
- Indefinitely long period
- Geologic span
- A billion years, in geology
- "___ Flux"
- A very, very long time (Var.)
- A billion years, to geologists
- Many generations
- Immeasurably long period of time (Var.)
- Umpteen millennia