Upsilon vs. Epsilon

Upsilonnoun

The twentieth letter of Classical and Modern Greek; the twenty-second letter of Old and Ancient Greek.

Upsilonnoun

(particle physics) An upsilon meson, or bottomonium.

Upsilonnoun

The 20th letter (

Upsilonnoun

the 20th letter of the Greek alphabet

Upsilon

Upsilon (; or UK: ; uppercase Υ, lowercase υ; Greek: ύψιλον ýpsilon [ˈipsilon]) or ypsilon is the 20th letter of the Greek alphabet. In the system of Greek numerals, Υʹ has a value of 400.

Epsilonnoun

The name for the fifth letter of the Greek alphabet, ε or Ε, preceded by delta (Δ, δ) and followed by zeta (Ζ, ζ).

Epsilonnoun

(phonetics) In IPA, the phonetic symbol ɛ that represents the open-mid front unrounded vowel.

Epsilonnoun

(mathematics) An arbitrarily small quantity.

Epsilonnoun

Something negligible or insignificant.

Epsilonnoun

(finance) The percentage change in an option value with respect to the underlying dividend yield.

Epsilonnoun

the 5th letter of the Greek alphabet

Epsilon

Epsilon (UK: , US: ; uppercase Ε, lowercase ε or lunate ϵ; Greek: έψιλον) is the fifth letter of the Greek alphabet, corresponding phonetically to a mid front unrounded vowel /e/. In the system of Greek numerals it also has the value five.