epsilon

From Ancient Greek ἒ ψιλόν (è psilón, “simple Ε”).

• (Received Pronunciation) IPA^(key): /ɛpˈsaɪ.lən/, /ˈɛp.sɪˌlɒn/
• (General American, Canada) IPA^(key): /ˈɛp.sɪˌlɑn/, /ˈɛp.sɪ.lən/

  • Audio (US):

    (file)

• (General Australian) IPA^(key): /epˈsɑɪ.lən/, /ˈep.sɪ.lɔn/, /ˈeps.lən/

epsilon (countable and uncountable, plural epsilons or epsila)

1. The fifth letter of the Greek alphabet, ε or Ε, preceded by delta (Δ, δ) and followed by zeta (Ζ, ζ).
2. (phonetics) In IPA, the phonetic symbol ɛ that represents the open-mid front unrounded vowel.
3. (mathematics) An arbitrarily small quantity.
   1. (colloquial) A small child. ^[1][2]
4. (computing, colloquial) Something negligible or insignificant.

   Yes, we have to convert all the symbol names to upper case at startup, but that’s epsilon.

   • 2017, Dean Koontz, The Silent Corner, page 106:

     All right, okay. My interest is epsilon.

5. (finance) The percentage change in an option value with respect to the underlying dividend yield.

• (measure of derivative price sensitivity): Greeks (includes list of coordinate terms)

• (Greek-script letter names) alpha, beta, gamma, delta, epsilon, zeta, eta, theta, iota, kappa, lambda, mu, nu, xi, omicron, pi, rho, sigma, tau, upsilon, phi, chi, psi, omega

• pinoles, pile-ons, inslope, sinople, pilones, pile ons, piles on, pleions

• IPA^(key): [ˈɛpsɪlon]

epsilon n or m inan

1. epsilon

when masculine:

Indeclinable when neuter.

From Ancient Greek ἒ ψιλόν (è psilón, “the letter Ε”).

• IPA^(key): /ˈɛpsilɔn/

• Audio:

  (file)

• Hyphenation: ep‧si‧lon

epsilon m or f (plural epsilons, diminutive epsilonnetje n)

1. epsilon, the name for the fifth letter of the Greek alphabet
2. (phonetics) the IPA symbol that represents the open-mid front unrounded vowel
3. (mathematics) an arbitrarily small quantity

< Ancient Greek ἒ ψιλόν (è psilón).

• IPA^(key): /ˈepsilon/, [ˈe̞ps̠ilo̞n]
• Rhymes: -epsilon
• Syllabification^(key): ep‧si‧lon
• Hyphenation^(key): ep‧si‧lon

epsilon

1. epsilon (Greek letter)

• “epsilon”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎^[1] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2 July 2023

• IPA^(key): /ɛp.si.lɔ̃/, /ɛp.si.lɔn/

• Audio:

  (file)

epsilon m (plural epsilon)

1. epsilon (Greek letter)

• “epsilon”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

• épilons, pelions, sinople

epsilon m or f (invariable)

1. epsilon (Greek letter)

• Nespoli, nespoli, spelino, splenio

Learned borrowing from Ancient Greek ἒ ψιλόν (è psilón), from Phoenician 𐤄 (h‬).

• IPA^(key): /ɛpˈsi.lɔn/

• Audio:

  (file)

• Rhymes: -ilɔn
• Syllabification: ep‧si‧lon

epsilon m inan

1. epsilon (Greek letter Ε, ε)

• epsilon in Polish dictionaries at PWN

• IPA^(key): /ěpsiloːn/
• Hyphenation: e‧psi‧lon

èpsilōn m inan (Cyrillic spelling ѐпсило̄н)

1. epsilon, the Greek letter ε, Ε