ephemeralとは

語源

From New Latin ephemerus, from Ancient Greek ἐφήμερος (ephḗmeros), the more common form of ἐφημέριος (ephēmérios, “of, for, または during the day, living または lasting but for a day, short-lived, temporary”), from ἐπί (epí, “on”) + ἡμέρα (hēméra, “day”).

発音

• IPA^(key): /ɛˈfɛ.mə.ɹəl/, /əˈfɛ.mə.ɹəl/

名詞

ephemeral (複数形 ephemerals)

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

同意語

• (short-lived): ephemeron

派生語

• spring ephemeral

形容詞

ephemeral (comparative more ephemeral, superlative most ephemeral)

1. 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

   • 1818, Mary Shelley, chapter 9, in Frankenstein‎^[1]:

     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.

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 Yūichi 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.

同意語

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

反意語

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

派生語

• ephemerally

関連する語

• ephemera
• ephemeron
• ephemerality

Further reading

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