different between ephemeral vs duration

English

Etymology

From New Latin ephemerus, from Ancient Greek ???????? (eph?meros), the more common form of ????????? (eph?mérios, “of, for, or during the day, living or lasting but for a day, short-lived, temporary”), from ??? (epí, “on”) + ????? (h?méra, “day”).

Pronunciation

• IPA^(key): /??f?.m?.??l/, /??f?.m?.??l/
• Rhymes: -???l

Noun

ephemeral (plural ephemerals)

1. Something which lasts for a short period of time.

   Synonym: ephemeron

Derived terms

• spring ephemeral

Adjective

ephemeral (comparative more ephemeral, superlative most ephemeral)

1. Lasting for a short period of time.

   Synonyms: temporary, transitory, fleeting, evanescent, momentary, short-lived, short, volatile; see also Thesaurus:ephemeral

   Antonyms: permanent, eternal, everlasting, timeless

   • 1821-1822, Vicesimus Knox, Remarks on the tendency of certain Clauses in a Bill now pending in Parliament to degrade Grammar Schools

     Esteem, lasting esteem, the esteem of good men, like himself, will be his reward, when the gale of ephemeral popularity shall have gradually subsided.

   • 1853, James Stephen, Lecture on the right use of Books

     sentences not of ephemeral, but of eternal, efficacy
2. (biology) Existing for only one day, as with some flowers, insects, and diseases.
3. (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, 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.

Derived terms

• ephemerally

Related terms

• ephemera
• ephemeron
• ephemerality
• hemeral

Translations

Further reading

• ephemeral in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• ephemeral in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• ephemeral on Wikipedia.Wikipedia

English

Etymology

From Middle English duracioun, from late Old French duracion, from Medieval Latin d?r?ti?.

Pronunciation

• (UK) IPA^(key): /dj???e??n?/, /d????e??n?/
• (US) IPA^(key): /d???e??n?/, /dj???e??n?/
• Rhymes: -e???n

Noun

duration (countable and uncountable, plural durations)

1. An amount of time or a particular time interval.

2. (in the singular, not followed by "of") The time taken for the current situation to end, especially the current war

3. (finance) A measure of the sensitivity of the price of a financial asset to changes in interest rates, computed for a simple bond as a weighted average of the maturities of the interest and principal payments associated with it.

Translations

See also

• Duration (disambiguation) on Wikipedia.Wikipedia
• Bond duration on Wikipedia.Wikipedia
• dictionary.reference.com entry

Anagrams

• drain out

Middle French

Etymology

From late Old French duracion, borrowed from Latin d?r?ti?, d?r?ti?nem.

Noun

duration f (plural durations)

1. duration (length with respect to time)