How long it might take for a mountain to form Crossword Clue
3 letters · New York Times · Monday, June 21, 2021 · 46-Across
Appeared in 1 New York Times Crossword: Monday, June 21, 2021.
Exact puzzle match · New York Times · June 21, 2021 · 46-Across · 3 letters
EON0 of 3 letters revealed
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What does this clue mean?
an immeasurably long period of time; "oh, that happened eons ago"
noun
WordNet® (Princeton University)
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