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Greek lc eta.svg
η U+03B7, η
GREEK SMALL LETTER ETA
ζ
[U+03B6]
Greek and Coptic θ
[U+03B8]

Contents

TranslingualEdit

SymbolEdit

η

  1. (physics) the metric tensor in Quantum Field Theory.
  2. (chemistry, physics) the coefficient of viscosity

See alsoEdit


GreekEdit

PronunciationEdit

it is pronounced as ETA

Etymology 1Edit

From Ancient Greek ()

ArticleEdit

η (if sg

  1. (definite) nominative feminine singular of ο (o) (the)
DeclensionEdit

Etymology 2Edit

Derived from its majuscule counterpart Η, from the Phoenician letter 𐤇, heth.

LetterEdit

η (i) (lowercase, uppercase Η)

  1. Lower-case eta, the eighth letter of the ancient Greek alphabet. Its name was ἦτα and it represented a long open-mid front unrounded vowel: /ɛː/. It is often transliterated as either e or i. It is preceded by ζ and followed by θ.
  2. Lower-case eta, the seventh letter of the modern Greek alphabet. Its name is ήτα and it represents a close front unrounded vowel: /i/. It is often transliterated as either e or i. It is preceded by ζ and followed by θ.
Derived termsEdit
See alsoEdit