Ξ

Ξ

1. (particle physics) Xi baryon; cascade particle
   • 2017 August 20, Jon Butterworth, “Newly discovered particles, and what's in them”, in The Guardian‎ (in English):

     Those smaller particles are quarks in this case, meaning that the Ξ_cc⁺⁺ is a hadron—the generic name for particles made of quarks.

2. (Can we verify⁽⁺⁾ this sense?) (cryptocurrencies) Ether (monetary units of the cryptocurrency used in Ethereum)

   Synonyms: ETH, (uncommon) ♦

   • 2018, Andreas M. Antonopoulos; Gavin Wood, chapter 2, in Mastering Ethereum […] ‎ (in English), O'Reilly Media, →ISBN:

     Ethereum's currency unit is called ether, identified also as “ETH” or with the symbols Ξ (from the Greek letter “Xi” that looks like a stylized capital E) or, less often, ♦: for example, 1 ether, or 1 ETH, or Ξ1, or ♦1.

Currency signs

Formerly used currency signs

• Xi (letter) on Wikipedia.Wikipedia

From Phoenician 𐤎‎‎ (s‎, “śāmek”).

Ξ • (X) (uppercase, lowercase ξ)

1. The letter xi (ξεῖ), the tenth letter of the ancient Greek alphabet.

• (Cyrillic) Ѯ
• (Coptic) Ⲝ

• (Greek-script letters) Α α, Β β, Γ γ, Δ δ, Ε ε, Ζ ζ, Η η, Θ θ, Ι ι, Κ κ, Λ λ, Μ μ, Ν ν, Ξ ξ, Ο ο, Π π, Ρ ρ, Σ σ ς, Τ τ, Υ υ, Φ φ, Χ χ, Ψ ψ, Ω ω
• (non-Classical letters) Ϝ ϝ, Ͷ ͷ, Ͱ ͱ, Ϻ ϻ, Ϙ ϙ, Ͳ ͳ
• (punctuation) · ﹔
• (diacritics) ᾿ ῾ ◌́ ◌̀ ῀ ¨

Ξ • (X) (uppercase, lowercase ξ)

1. The upper case letter xi (ξι), the 14th letter of the modern Greek alphabet.

• (Greek-script letters) Α α, Β β, Γ γ, Δ δ, Ε ε, Ζ ζ, Η η, Θ θ, Ι ι, Κ κ, Λ λ, Μ μ, Ν ν, Ξ ξ, Ο ο, Π π, Ρ ρ, Σ σ ς, Τ τ, Υ υ, Φ φ, Χ χ, Ψ ψ, Ω ω
• (non-Classical letters) Ϝ ϝ, Ͷ ͷ, Ͱ ͱ, Ϻ ϻ, Ϙ ϙ, Ͳ ͳ
• (punctuation) · ﹔
• (diacritics) ᾿ ῾ ◌́ ◌̀ ῀ ¨
• Ξ΄
• ͵Ξ