Ω - Wiktionary

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See also: ω, ჲ, ὥ, ὦ, ᾧ, -ῳ, ᘯ, and Appendix:Variations of "o"
Ω U+03A9, Ω GREEK CAPITAL LETTER OMEGA
← Ψ[U+03A8] Greek and Coptic Ϊ →[U+03AA]
Character variations
Ω U+2126, Ω OHM SIGN
← ℥[U+2125] Letterlike Symbols ℧ →[U+2127]

Translingual

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Symbol

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Ω

  1. ohm, the unit of electrical resistance in the International System of Units.
  2. (mathematics) Big Omega: a class of functions asymptotically bounded from below by a specific function, up to a constant factor

Usage notes

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  • The Unicode Standard states that Ω (U+2126 OHM SIGN) is included in Unicode only for backward compatibility reasons. Ω (U+03A9 GREEK CAPITAL LETTER OMEGA) is preferred to represent ohms.

Derived terms

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  • aΩ
  • cΩ
  • daΩ
  • dΩ
  • EΩ
  • fΩ
  • GΩ
  • hΩ
  • MΩ
  • mΩ
  • nΩ
  • PΩ
  • pΩ
  • TΩ
  • YΩ
  • yΩ
  • zΩ
  • µΩ
  • Ω/□

See also

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  • Ω on Wikipedia.Wikipedia

Ancient Greek

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Etymology

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The most common uppercase form is a variant of omicron (Ο), broken up at the side (), with the edges subsequently turned outward (, , , ). The alternative uppercase form, found in some typefaces, that looks like a larger version of lowercase ω, is from a digraph of two omicrons written close together.

Letter

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Ω • (Ō) (uppercase, lowercase ω)

  1. The letter omega (ὦ μέγα), the 24th letter of the ancient Greek alphabet.

See also

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  • (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 (W) ϝ (w), Ͷ ͷ, Ͱ (H) ͱ (h), Ϻ (S) ϻ (s), Ϟ ϟ, Ϙ (Q) ϙ (q), Ͳ (S) ͳ (s)
  • (punctuation) · ⸳ . ;
  • (diacritics) ᾿ ῾ ◌́ ◌̀ ῀ ¨

Gaulish

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Letter

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Ω (Ō) (no case)

  1. (palaeography) A letter of the Gallo-Greek Gaulish alphabet. It transcribed /o/ and /oː/. Synonym: Ο (O)

Greek

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Letter

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Ω • (O) (uppercase, lowercase ω)

  1. The upper case letter omega (ωμέγα (oméga)), the last letter of the modern Greek alphabet.

Numeral

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Ω • (O)

  1. The number 800 in Greek numerals.
  2. The number 800,000 in Greek numerals.

See also

[edit] see: Appendix:Greek alphabet

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