Dictionary

epsilon en · NOUN

Pronunciation

• /ˈep.sɪ.lɔn/ (Australia)
• /epˈsɑɪ.lən/ (Australia)
• /ˈɛp.sɪ.lən/ (Canada, General-American)
• /ˈeps.lən/ (Australia)
• /ˈɛp.sɪˌlɑn/ (Canada, General-American)
• (US) audio
• /ˈɛp.sɪˌlɒn/ (Received-Pronunciation)
• /ɛpˈsaɪ.lən/ (Received-Pronunciation)

Etymology

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

Meanings

1. (countable, uncountable) The fifth letter of the Greek alphabet, ε or Ε, preceded by delta (Δ, δ) and followed by zeta (Ζ, ζ).
2. (countable, uncountable) In IPA, the phonetic symbol ɛ that represents the open-mid front unrounded vowel.
3. (countable, uncountable) An arbitrarily small quantity.
4. (colloquial, countable, uncountable) An arbitrarily small quantity. ▸ A small child.
5. (colloquial, countable, uncountable) Something negligible or insignificant.
   • All right, okay. My interest is epsilon. 2017, Dean Koontz, The Silent Corner, page 106:
   • Yes, we have to convert all the symbol names to upper case at startup, but that’s epsilon.
6. (countable, uncountable) The percentage change in an option value with respect to the underlying dividend yield.

Forms

Deriveds

epsilonize · epsilonics · epsilon number · epsilon-machine · epsilon iron · epsilonic · machine epsilon

Hypernyms

Greeks (measure of derivative price sensitivity)

Relateds

infinitesimal

Translations (43)

el έψιλον (name for the fifth letter of the Greek alphabet) · fa اپسیلون (name for the fifth letter of the Greek alphabet) · ja エプシロン (name for the fifth letter of the Greek alphabet) · pt épsilo (name for the fifth letter of the Greek alphabet) · hu epszilon (name for the fifth letter of the Greek alphabet) · ko 엡실론 (name for the fifth letter of the Greek alphabet) · de Epsilon (name for the fifth letter of the Greek alphabet) · pt épsilon (name for the fifth letter of the Greek alphabet) · nl kleinigheid (negligible effect) · ia epsilon (name for the fifth letter of the Greek alphabet) · pl błahostka (negligible effect) · fr epsilon (name for the fifth letter of the Greek alphabet) · ast épsilon (name for the fifth letter of the Greek alphabet) · ru э́псилон (symbol for front half open unrounded vowel) · ms epsilon (name for the fifth letter of the Greek alphabet) · es épsilon (name for the fifth letter of the Greek alphabet) · eo epsilono (name for the fifth letter of the Greek alphabet) · fi epsilon (name for the fifth letter of the Greek alphabet) · sv epsilon (name for the fifth letter of the Greek alphabet) · mr एप्सिलॉन (name for the fifth letter of the Greek alphabet) · tl epsilon (name for the fifth letter of the Greek alphabet) · tr epsilon (name for the fifth letter of the Greek alphabet) · it epsilon (name for the fifth letter of the Greek alphabet) · ar إِبْسِلُون (name for the fifth letter of the Greek alphabet) · pl epsilon (name for the fifth letter of the Greek alphabet) · nl epsilon (symbol for front half open unrounded vowel) · ca èpsilon (name for the fifth letter of the Greek alphabet) · mi epirōna (name for the fifth letter of the Greek alphabet) · nl epsilon (arbitrarily small quantity) · cmn 伊普西隆 (name for the fifth letter of the Greek alphabet) · ru э́псилон (arbitrarily small quantity) · gl épsilon (name for the fifth letter of the Greek alphabet) · grc εἶ (name for the fifth letter of the Greek alphabet) · ja イプシロン (name for the fifth letter of the Greek alphabet) · ar إِبْسِيلُون (name for the fifth letter of the Greek alphabet) · grc ἒ ψιλόν (name for the fifth letter of the Greek alphabet) · nl epsilon (name for the fifth letter of the Greek alphabet) · fi epsilon (arbitrarily small quantity) · cmn 艾普西龍 /艾普西龙 (name for the fifth letter of the Greek alphabet) · th เอปไซลอน (name for the fifth letter of the Greek alphabet) · cs epsilon (name for the fifth letter of the Greek alphabet) · ru э́псилон (name for the fifth letter of the Greek alphabet) · bg е́псилон (name for the fifth letter of the Greek alphabet)