variants
or chiefly British aeon
1
: an immeasurably or indefinitely long period of time : age
I haven't seen him in eons.
2
a
: a very large division of geologic time usually longer than an era
the Archean eon
b
: a unit of geologic time equal to one billion years
Examples of eon in a Sentence
Recent Examples on the Web
Water is in constant flux, while salt takes eons to move from place to place.
—
Cody Cottier, Discover Magazine, 9 May 2024
We’re all conditioned to eat animals over centuries and eons.
—Chris Willman, Variety, 6 May 2024
Could eukaryotes’ tendency toward expansion be linked to the transposable elements — the leaping, self-duplicating bits of DNA — that have infested eukaryotic genomes for eons?
—Quanta Magazine, 2 May 2024
No Bill Belichick for first time in eons and greater Robert Kraft influence muddy this pick, as do rumors Patriots may trade down.
—Greg Cote, Miami Herald, 24 Apr. 2024
The Jayhawks haven’t been this low in our projections in eons, but the level of uncertainty in Lawrence is unusually high.
—Jon Wilner, The Mercury News, 8 Apr. 2024
Instead, the rovers are acting as extraterrestrial detectives, hunting for clues that life may have existed eons ago.
—Amy J. Williams, Discover Magazine, 16 Mar. 2024
For eons this vital waterway has attracted animals and humans alike, and has been the foundation for agricultural cultures from prehistoric times to the modern day.
—Roger Naylor, The Arizona Republic, 7 Mar. 2024
For eons, any water that might have accumulated there will have been preserved as ice.
—David W. Brown, The New Yorker, 4 Mar. 2024
Cody Cottier, Discover Magazine, 9 May 2024
We’re all conditioned to eat animals over centuries and eons.
—Chris Willman, Variety, 6 May 2024
Could eukaryotes’ tendency toward expansion be linked to the transposable elements — the leaping, self-duplicating bits of DNA — that have infested eukaryotic genomes for eons?
—Quanta Magazine, 2 May 2024
No Bill Belichick for first time in eons and greater Robert Kraft influence muddy this pick, as do rumors Patriots may trade down.
—Greg Cote, Miami Herald, 24 Apr. 2024
The Jayhawks haven’t been this low in our projections in eons, but the level of uncertainty in Lawrence is unusually high.
—Jon Wilner, The Mercury News, 8 Apr. 2024
Instead, the rovers are acting as extraterrestrial detectives, hunting for clues that life may have existed eons ago.
—Amy J. Williams, Discover Magazine, 16 Mar. 2024
For eons this vital waterway has attracted animals and humans alike, and has been the foundation for agricultural cultures from prehistoric times to the modern day.
—Roger Naylor, The Arizona Republic, 7 Mar. 2024
For eons, any water that might have accumulated there will have been preserved as ice.
—David W. Brown, The New Yorker, 4 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'eon.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near eon
Cite this Entry
“Eon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eon. Accessed 14 May. 2024.
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