rhizoverbBeta
DictionaryetaGreek letter
noun

eta

EE-tuh/ˈiːtə/

The seventh letter of the Greek alphabet.

The eta glyph occupies the seventh position in the Greek alphabet.

An alphabet learning strip shows only α β γ δ ε ζ η, with the seventh glyph η physically raised and largest through emphasis.
Etymology
etaPhoenicianletter name

The name comes from Phoenician heth and originally designated an aspirate, a breath-like speech sound. It survives as the name of the seventh Greek letter.

In context

PBS Space Time presenter7:30
where the Greek letter eta is that number of half cycles.
Can a Particle Be Neither Matter Nor Force?
MIT OpenCourseWare presenter36:34
Eta, this Greek letter eta, is our power out versus power in.
6. Charge Separation, Part II: Diode Under Illumination

More examples

  • An eta appeared in the equation.
  • She practiced lowercase eta.
  • The inscription contains two etas.

Forms

eta · etas