epsilon

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

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

• Audio (US)

  (file)

epsilon (countable and uncountable, plural epsilons or epsila)

1. The name for 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.
   • 2017, Dean Koontz, The Silent Corner, page 106:

     All right, okay. My interest is epsilon.

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

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

epsilon n

1. epsilon

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. 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

epsilon

1. epsilon (Greek letter)

• 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

Borrowed 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 Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
• epsilon in Polish dictionaries at PWN

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

èpsilōn m (Cyrillic spelling ѐпсило̄н)

1. epsilon, the Greek letter ε, Ε