epsilon
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epsilon
- /ɛpˈsaɪ.lən/ UK
- /ˈɛp.sɪˌlɒn/ UK
- /ˈɛp.sɪˌlɑn/ Canada, US
- /ˈɛp.sɪ.lən/ Canada, US
- /epˈsɑɪ.lən/ Australia
- /ˈep.sɪ.lɔn/ Australia
- /ˈeps.lən/ Australia
Where it comes from
From Ancient Greek ἒ ψιλόν (è psilón, “simple Ε”).
noun epsilons · epsila
- The fifth letter of the Greek alphabet, ε or Ε, preceded by delta (Δ, δ) and followed by zeta (Ζ, ζ).
- In IPA, the phonetic symbol ɛ that represents the open-mid front unrounded vowel.
- An arbitrarily small quantity.
- A small child.
- Something negligible or insignificant. Yes, we have to convert all the symbol names to upper case at startup, but that’s epsilon.
- The percentage change in an option value with respect to the underlying dividend yield.
Translations
Every language
noun arbitrarily small quantity
| Русский | э́псилон épsilon |
|---|
noun name for the fifth letter of the Greek alphabet
| Español | épsilon |
|---|---|
| 한국어 | 엡실론 epsillon |
| 日本語 | エプシロン epushiron, イプシロン ipushiron |
| 中文 | 艾普西龍 /艾普西龙 àipūxīlóng, 伊普西隆 yīpǔxīlóng |
| Português | épsilon, épsilo |
| Français | epsilon |
| Deutsch | Epsilon |
| Italiano | epsilon |
| Ελληνικά | έψιλον épsilon |
| Русский | э́псилон épsilon |
| العربية | إِبْسِلُون ʔibsilūn, إِبْسِيلُون ʔibsilūn |
noun symbol for front half open unrounded vowel
| Русский | э́псилон épsilon |
|---|
Talk about this word "epsilon." Wiktionary, via Micwyn, micwyn.com/word/epsilon. Accessed 6 Nov. 2026. epsilon. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/epsilon "epsilon." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/epsilon.Cite this
@misc{epsilon_2026,
title = {epsilon},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/epsilon},
urldate = {2026-11-06}
}
