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Epsilon vs Eta - What's the difference?

epsilon | eta |

As nouns the difference between epsilon and eta

is that epsilon is the name for the fifth letter of the Greek alphabet, ε or Ε, preceded by delta (Δ, δ) and followed by zeta (Ζ, ζ) while eta is the seventh letter of the Modern Greek alphabet, the eighth in Old Greek.

As an initialism ETA is

estimated time of arrival.

epsilon

English

{{letter_disp2, delta, (wikipedia epsilon)

Noun

  • The name for the fifth letter of the Greek alphabet, ).
  • (phonetics) In IPA]], the phonetic symbol that represents the [[w:open-mid front unrounded vowel, open-mid front unrounded vowel; represented in SAMPA as E .
  • (mathematics) An arbitrarily small quantity.
  • (computing, colloquial) A negligible effect.
  • Yes, we have to convert all the symbol names to upper case at startup, but that’s epsilon .

    eta

    English

    Etymology 1

    From (etyl) .

    Noun

    (en noun)
  • The seventh letter of the Modern Greek alphabet, the eighth in Old Greek.
  • (particle) A kind of electrically neutral meson having zero spin and isospin.
  • Etymology 2

    From (etyl) .

    Noun

    (en-noun)
  • A social outcast in Japan who is subjected to menial work, making up a class or caste of such people.
  • Anagrams

    * , (l), (l), (l), (l) English heteronyms ----