Eon

Pronunciation

• IPA: /ˈiː.É’n/

Alternative forms

• aeon chiefly British or Gnostic
• æon dated, chiefly British or Gnostic

Origin

From Ancient Greek αἰών (aiōn, "age").

Noun

1. (US) Eternity.
2. A period of 1,000,000,000 years.
• 2012-01, Robert L. Dorit, Rereading Darwin, We live our lives in three dimensions for our threescore and ten allotted years. Yet every branch of contemporary science, from statistics to cosmology, alludes to processes that operate on scales outside of human experience: the millisecond and the nanometer, the eon and the light-year.
3. (geology) The longest time period used in geology.
4. (US, informal, hyperbole) A long period of time.It's been eons since we last saw each other.
5. (Gnosticism, usually spelled aeon or æon) A spirit being emanating from the Godhead.

Derived terms

• Archean eon
• eonian
• temporal æon

Anagrams

• Neo, NEO
• one