Ξ

See also: ξ, ≡, 三, and Appendix:Variations of "x"

Ξ U+039E, Ξ GREEK CAPITAL LETTER XI ← Ν [U+039D] Greek and Coptic Ο → [U+039F]

Translingual

Symbol

Ξ

1. (particle physics) Xi baryon; cascade particle
   • 2017 August 20, Jon Butterworth, “Newly discovered particles, and what's in them”, in The Guardian‎^[1] (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 […] ‎^[2] (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.

See also

Currency signs

• ؋‎ – afghani
• ฿ – baht
• ₿ – bitcoin
• ¢ – cent
• ₡ – colón
• ₵ – cedi
• – cifrão
• Ð – dogecoin
• $ – dollar sign
• ₫ – dong
• ֏ – dram
• Ξ – ether
• € – euro
• ƒ – florin/guilder/gulden
• ₲ – guarani
• ₴ – hryvnia
• ₭ – kip
• ₾ – lari
• ₺ – Turkish lira
• ₼ – manat
• ₥ – mill
• ₦ – naira
• ₱ – Philippine peso
• £ or ₤ – pound/lira
• ﷼‎ – rial/riyal
• ៛ – riel
• ރ – rufiyaa
• ₽ – ruble
• ₨ – rupee
• ௹ – rupee
• ₹ – Indian rupee
• ૱ – rupee (in Gujarat)
• ₪ – new shekel
• ⃀ – som
• ৲ or ৳ – taka
• ₸ – tenge
• ₮ – tugrik, tether
• ₩ – won
• ¥ – yen/yuan

Formerly used currency signs

• 𐆚 – Roman as
• ₳ – austral
• ₠ – ECU (European Currency Unit)
• ₢$ – cruzeiro
• 𐆖 – Roman denarius
• ₯ – drachma
• ₣ – French franc
• ₶ – livre tournois
• ℳ – mark
• ₧ – peseta
• ₰ – pfennig
• 𐆘 – Roman sesterce
• ₷ – spesmilo
• – old Israeli shekel/sheqel

Further reading

• Xi (letter) on Wikipedia.Wikipedia

Ancient Greek

Etymology

From Phoenician 𐤎‎ (s, “śāmek”).

Letter

Ξ • (X) (uppercase, lowercase ξ)

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

Derived terms

• (Cyrillic) Ѯ
• (Coptic) Ⲝ

See also

• (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) ᾿ ῾ ◌́ ◌̀ ῀ ¨

Greek

Letter

Ξ • (X) (uppercase, lowercase ξ)

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

See also

• (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