ε

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Ε, , ε-

Greek lc epsilon.svg
ε U+03B5, ε
GREEK SMALL LETTER EPSILON
δ
[U+03B4]
Greek and Coptic ζ
[U+03B6]

Translingual[уреди]

Symbol[уреди]

ε

  1. (sciences) emittance, extinction coefficient. (Can we add an example for this sense?)
  2. (mathematics) A small number, usually in company of δ.
    • For each ε > 0, there exists a δ > 0, ...
  3. (mathematics, computer science) empty string

See also[уреди]


Ancient Greek[уреди]

Etymology[уреди]

Derived from its majuscule counterpart Ε, from the Phoenician letter 𐤄(he)

.

Letter[уреди]

ε (e) (lowercase, uppercase Ε)

  1. Lower case epsilon, the fifth letter of the ancient and modern Greek alphabets. Its name was εἶ, later ἒ ψιλόν, and presently έψιλον. It represents roughly the same sound in both alphabets: in Modern Greek, a somewhat lowered variant of the mid front unrounded vowel: /e/ or /e̞/. It is preceded by δ and followed by ϝ.

Derived terms[уреди]