epsilon
Pronunciation:
/ɛpˈsaɪ.lən//ˈɛp.sɪ.lən/noun
Definitions
The name for 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 negligible effect.
Example: Yes, we have to convert all the symbol names to upper case at startup, but that’s epsilon.