Word.ws English Dictionary

e-fold

UK/ˈiːfəʊld/US/ˈiːfoʊld/

e-fold adjective: multiplied by e.

Adjective

e-fold (not comparable)

  1. Multiplied by e.
    • Thus, over the scale time, there is an e-fold likelihood of increase as compared to decrease.
  2. Conferring multiplication by e.
    • So while some vertices have two children and others three, in the long run we can expect e-fold branching.

Adverb

e-fold (not comparable)

  1. e times.

Noun

e-fold (plural e-folds)

  1. A multiplication by a power of e.
    • An obvious difference between plateau-like models like this and the simplest inflationary models, like V(#92;phi)#61;#92;lambda#92;phi⁴, is that the simplest models require only one parameter and absolutely no tuning of parameters to obtain 60 or more e-folds of inflation, while the plateau-like...2013, Anna Iijas, Abraham Loeb, Paul Steinhardt, “Inflationary Paradigm in trouble after Planck 2013”, in Phys. Lett. B, volume 723, numbers 4–5, →Bibcode, →DOI, page 262

Forms of e-fold

plurale-folds

Origin of e-fold

From translingual e + -fold.

Questions about e-fold

What does e-fold mean?
E-fold means multiplied by e.
What part of speech is e-fold?
E-fold can be an adjective, an adverb or a noun.
How do you pronounce e-fold?
E-fold is pronounced /ˈiːfoʊld/ (US).

Words near e-fold in the dictionary

  1. E-FITs
  2. e-flat
  3. e-flat major
  4. E-flat minor
  5. e-flats
  6. e-fold
  7. e-folding
  8. e-folds
  9. e-foo
  10. e-fora
  11. e-form

Source and license

Adapted from Wiktionary: e-fold (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “e-fold.” Word.ws, https://word.ws/e-fold. Based on Wiktionary, CC BY-SA 4.0.