different between diaphanous vs ephemeral

English

Etymology

From Medieval Latin diaphanus, from Ancient Greek ???????? (diaphan?s) ('To appear/shine through '; 'dia' - through + 'phaino' - to appear).

Pronunciation

• IPA^(key): /da??æf.?n.?s/

Adjective

diaphanous (comparative more diaphanous, superlative most diaphanous)

1. Transparent or translucent; allowing light to pass through; capable of being seen through.
   • 2004, Gustave Flaubert, Margaret Maulden (translator), Madame Bovary: Provincial Manners, page 98,

     The evening mist, drifting among the leafless poplars, veiled their silhouettes with a violet film, paler and more translucent than the most diaphanous gauze that might have caught in their branches.

2. Of a fine, almost transparent, texture; gossamer; light and insubstantial.
   • 1951, Robert Frost, Unpublished preface to a collection, 2007, Mark Richardson (editor), The Collected Prose of Robert Frost, page 169,

     The most diaphanous wings carry a burden of pollen from flower to flower.

   • 1963, Hermann Weyl, quoted in 1985, Floyd Merrell, Deconstruction Reframed, page 67,

     What is amazing is that "a concept that is created by mind itself, the sequence of integers, the simplest and most diaphanous thing for the constructive mind, assumes a similar aspect of obscurity and deficiency when viewed from the axiomatic angle" (Weyl, 1963, 220).

3. (physics) Isorefractive, having an identical refractive index.

Synonyms

• (allowing light to pass through): translucent, transparent, see-through, sheer
• (of a fine, almost transparent, texture): delicate, insubstantial, sheer

Antonyms

• (transparent or translucent): opaque
• (of a fine, almost transparent, texture): concrete, solid

Related terms

• diaphanously
• diaphanousness

Translations

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