Definitions
1.nounThe name for the fifth letter of the Greek alphabet, ε or Ε, preceded by delta (Δ, δ) and followed by zeta (Ζ, ζ).
2.nounIn IPA, the phonetic symbol ɛ that represents the open-mid front unrounded vowel.
3.nounAn arbitrarily small quantity.
4.nounA negligible effect."Yes, we have to convert all the symbol names to upper case at startup, but that’s epsilon."
5.nounThe percentage change in an option value with respect to the underlying dividend yield.