Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “eon”

eon

noun [C] uk (UK also aeon)   /ˈiː.ɒn/ us    /-ɑːn/
a period of time that is so long that it cannot be measured: informal I've been waiting eons for my new computer.
(Definition of eon from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of eon?
Add Cambridge dictionaries to your browser to your website

Word of the Day

for starters

used to say that something is the first in a list of things

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More