What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Era vs Eon - What's the difference?

era | eon |

In geology terms the difference between era and eon

is that era is a unit of time, smaller than {{l/en|aeon|aeons}} and greater than {{l/en|period|periods}} while eon is the longest time period used in geology.

In us terms the difference between era and eon

is that era is Equal Rights Amendmenteon is eternity.

As nouns the difference between era and eon

is that era is a time period of indeterminate length, generally more than one year while eon is eternity.

As an initialism EON is

ΕΟΝ, the Greek National Organisation of Youth similar to the Hitler Youth, it was formed before WWII and disbanded in 1941.

era

English

Alternative forms

* (archaic)

Noun

(en noun)
  • A time period of indeterminate length, generally more than one year.
  • * {{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)
  • , chapter=6 citation , passage=Even in an era when individuality in dress is a cult, his clothes were noticeable. He was wearing a hard hat of the low round kind favoured by hunting men, and with it a black duffle-coat lined with white.}}
  • * {{quote-magazine, date=2012-01
  • , author=Philip E. Mirowski , title=Harms to Health from the Pursuit of Profits , volume=100, issue=1, page=87 , magazine= citation , passage=In an era when political leaders promise deliverance from decline through America’s purported preeminence in scientific research, the news that science is in deep trouble in the United States has been as unwelcome as a diagnosis of leukemia following the loss of health insurance.}}
  • (geology) A unit of time, smaller than .
  • Synonyms

    * (time period of indeterminate length) age, epoch, period * See also

    Derived terms

    * (geological time unit)

    Coordinate terms

    *

    Anagrams

    * ----

    eon

    English

    Alternative forms

    * aeon (chiefly British or Gnostic) * (qualifier)

    Noun

    (wikipedia eon) (en noun)
  • (US) Eternity.
  • A period of 1,000,000,000 years.
  • *{{quote-magazine, date=2012-01
  • , author=Robert L. Dorit , title=Rereading Darwin , volume=100, issue=1, page=23 , magazine= citation , passage=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.}}
  • (geology) The longest time period used in geology.
  • (US, informal, hyperbole) A long period of time.
  • It's been eons since we last saw each other.
  • A spirit being emanating from the Godhead.
  • Derived terms

    * Archean eon * eonian *

    Anagrams

    * * ----