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# Omega (letter)

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### Omega (letter)

For other uses, see Omega (disambiguation).

Template:Greek Alphabet Omega (

Phonetically, the Ancient Greek Ω is a long open-mid o [ɔː], comparable to the vowel of British English raw. In Modern Greek Ω represents the same sound as omicron. The letter omega is transcribed ō or simply o.

Omega (the last letter of the Greek alphabet) is often used to denote the last, the end, or the ultimate limit of a set, in contrast to alpha, the first letter of the Greek alphabet.

Omega was also adopted into the early Cyrillic alphabet. See Cyrillic omega (Ѡ, ѡ). A Raetic variant is conjectured to be at the origin or parallel evolution of the Elder Futhark .

Omega was also adopted into the Latin alphabet, as a letter of the 1982 revision to the African reference alphabet. It has had little use. See Latin omega.

Omega is also used in Christianity, as a part of the Alpha and Omega metaphor.

## The symbol Ω (uppercase letter)

The upper case letter Ω is used as a symbol:

## The symbol ω (lower case letter)

The minuscule letter ω is used as a symbol:

## Character Encodings

• Greek Omega / Coptic Oou

Template:Charmap [6]

• Cyrillic Omega

Template:Charmap

Template:Charmap

• Latin / IPA Omega

Template:Charmap

• Technical Omega symbols

Template:Charmap

• Mathematical Omega

Template:Charmap

Template:Charmap

These characters are used only as mathematical symbols. Stylized Greek text should be encoded using the normal Greek letters, with markup and formatting to indicate text style.

## Notes

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