BILLION-YEAR PERIOD Crossword Clue

The most common solution for the crossword clue "BILLION-YEAR PERIOD" are EON with 3 letters.
We know 1 solutions for: BILLION-YEAR PERIOD
Crossword Puzzle Infos
The term 'billion-year period' is often used to refer to an EON, which is a unit of geological time that is typically defined as a span of one billion years. An EON is the largest division of geological time and is divided into eras, which are further divided into periods, epochs, and ages.
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