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Ephemeral vs Lifetime - What's the difference?

ephemeral | lifetime |

As nouns the difference between ephemeral and lifetime

is that ephemeral is something which lasts for a short period of time while lifetime is the duration of the life of someone or something.

As an adjective ephemeral

is lasting for a short period of time.

ephemeral

English

(wikipedia ephemeral)

Noun

(en noun)
  • Something which lasts for a short period of time.

    • Synonyms

    * (short-lived) ephemeron

    Adjective

    (en adjective)
  • Lasting for a short period of time.
  • * Vicesimus Knox
    • Esteem, lasting esteem, the esteem of good men, like himself, will be his reward, when the gale of ephemeral popularity shall have gradually subsided.
  • * Sir J. Stephen
    • sentences not of ephemeral , but of eternal, efficacy
  • * '>citation
    • It was during an access of this kind that I suddenly left my home, and bending my steps towards the near Alpine valleys, sought in the magnificence, the eternity of such scenes, to forget myself and my ephemeral , because human, sorrows.
  • (biology) Existing for only one day, as with some flowers, insects, and diseases.
  • (geology, of a body of water) Usually dry, but filling with water for brief periods during and after precipitation.
  • * 1986 , W.H. Raymond, "Clinoptilolite Deposit in the Pine Ridge Indian Reservation, South Dakota, U.S.A.", in Y?ichi Murakami et al. (editors), New Developments in Zeolite Science and Technology (conference proceedings), Elsevier, ISBN 978-0-444-98981-9, page 80:
    • The graben constitutes a depositional basin and a topographic low, underlain by Cretaceous shales, in which volcanic debris accumulated in ephemeral lakes and streams in Oligocene and early Miocene time.

    Synonyms

    * (lasting for a short period of time) temporary, transitory, fleeting, evanescent, momentary, short-lived, short, volatile * See also

    Antonyms

    * (lasting for a long period of time) permanent, eternal, everlasting, timeless.

    Derived terms

    * ephemerally

    Related terms

    * ephemera * ephemeron * ephemerality

    External links

    * *

    lifetime

    English

    Noun

  • The duration of the life of someone or something.
  • (informal, hyperbole) A long period of time.
    • I've been waiting a lifetime for a train.

    Synonyms

    * ages, donkey's years (UK slang''), an eternity, years, yonks (''UK slang )

    Derived terms

    * chemical lifetime * a legend in one's own lifetime * all in a lifetime, all in one's lifetime * customer lifetime value * fluorescence lifetime imaging * lifetime achievement award * lifetime average daily dose * lifetime cap * lifetime employment * lifetime exposure * lifetime income tax * lifetime job * lifetime learning credit * lifetime maximum benefit amount * lifetime mobility * lifetime mortgage * lifetime payment cap * lifetime policy * lifetime rate cap * lifetime reserve days * lifetime reverse mortgage * life-timer * lifetime risk * lifetime value * minority carrier lifetime * maximum segment lifetime * mean lifetime * object lifetime * of a lifetime * once-in-a-lifetime