Crossword Genius

Division of geological time (3)

Ross

I think it could be either:

Which length description are you looking for?:

3

4

aeon

'division of geological time' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for aeon that I've seen before include "Eternity" , "Indefinitely long period of time" , "Immeasurably long period of time" , "With lots of time" , "Vast time period" .)

I've seen this clue in The Irish Times and the Irish Times (Simplex).
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.