Ω
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Translingual[edit]
Symbol[edit]
Ω
- The symbol for ohm, the unit of electrical resistance in the International System of Units.
Usage notes[edit]
The Unicode Standard states that Ω (U+2126 OHM SIGN) is included in Unicode only for backward compatibility reasons. To represent ohms, Ω (U+03A9 GREEK CAPITAL LETTER OMEGA) is preferred.
Derived terms[edit]
Symbol for ohm
See also[edit]
Ancient Greek[edit]
Etymology[edit]
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[edit]
Ω • (Ō) (uppercase, lowercase ω)
- The letter omega (ὦ μέγα), the 24th letter of the ancient Greek alphabet.
Derived terms[edit]
See also[edit]
- (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[edit]
Letter[edit]
Ω • (O) (uppercase, lowercase ω)
- The upper case letter omega (ωμέγα), the last letter of the modern Greek alphabet.
- The upper case letter omega (Ω) is used as the mathematical notation or symbol for the last place in a set or group of items.
Numeral[edit]
Ω • (O)
- The number 800 in Greek numerals.
- The number 800,000 in Greek numerals.