What context can I use each word in?
Learn when and how to use these words with these examples!
aeon
Example
The dinosaurs lived during the Mesozoic aeon. [aeon: noun]
Example
The concept of aeon in Gnosticism refers to a divine realm beyond time and space. [aeon: noun]
eon
Example
The universe has existed for billions of eons. [eon: noun]
Example
The idea of an eon is central to Hindu cosmology. [eon: noun]
Good things to know
Which word is more common?
Eon is more commonly used than aeon in both British and American English, although aeon is still used in some contexts.
What’s the difference in the tone of formality between aeon and eon?
Both aeon and eon are formal words that are typically used in academic, scientific, or philosophical contexts.
