Eon

usgb/ˈiːən,ˈiːɑːn/
noun

A very long period of time, often used to talk about geology or the history of the earth.

The rocks formed over eons, slowly changing into the shape we see today.
Visual representation of "eon" - A very long period of time, often used to talk about geology or the history of the earth.

Often appears as...

  • eons ago
  • for eons

Usage tips

Academic

Definition 1 of 2
Visual representation of "eon"
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Geological Timing

Often emphasizes geological or historical processes occurring over millions or billions of years.

Illustration for Geological Timing
This mountain range was shaping across eons.
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Deep Past

Used to express the ancient past, highlighting that something happened a very long time ago.

Illustration for Deep Past
Fossils tell stories from eons ago.
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Extended Duration

Indicates that something lasted for an incredibly long duration, sometimes with a hint of exaggeration.

Illustration for Extended Duration
Her fame lasted for eons, transcending generations.
Visual representation of the word "Eon"

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