Omega

ΩOmega (Ω)ω (omega)Greek letter Omegao megaomega (Ω)Omega ΩomégaΩ ωΏ
Omega (capital: Ω, lowercase: ω; Greek ὦ, later ὦ μέγα, Modern Greek ωμέγα) is the 24th and last letter of the Greek alphabet.wikipedia
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Greek alphabet

GreekGreek lettersGreek letter
Omega (capital: Ω, lowercase: ω; Greek ὦ, later ὦ μέγα, Modern Greek ωμέγα) is the 24th and last letter of the Greek alphabet.
In Archaic and early Classical times, the Greek alphabet existed in many different local variants, but, by the end of the fourth century BC, the Euclidean alphabet, with twenty-four letters, ordered from alpha to omega, had become standard and it is this version that is still used to write Greek today.

Omicron

Οo micronGreek letter Omicron
The word literally means "great O" (ō mega, mega meaning "great"), as opposed to Ο ο omicron, which means "little O" (o mikron, micron meaning "little").
Omicron (uppercase Ο, lowercase ο, literally "small o": όμικρον < ὂ μικρόν - ò mikrón, micron meaning 'small' in contrast to omega) is the 15th letter of the Greek alphabet.

Ohm

Ωohmsmegohm
The ohm (symbol: Ω) is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.

Omega (Cyrillic)

omegaѠCyrillic Omega
See Cyrillic omega .
Its name and form are derived from the Greek letter Omega .

Archaic Greek alphabets

Western Greek alphabetCumae variantCumaean
Ω was not part of the early (8th century BC) Greek alphabets.
The new letter Omega to denote the long half-open sound was invented first in the East, in the Ionian cities of Asia Minor, at some time before 600 BC.

Latin omega

ω
See Latin omega.
Latin omega, or simply omega, is an additional letter of the Latin alphabet, based on the lowercase of the Greek letter omega.

Odal (rune)

Odal runeOdalOthala rune
A Raetic variant is conjectured to be at the origin or parallel evolution of the Elder Futhark ᛟ.
The corresponding Gothic letter is (derived from Greek Ω), which had the name oþal.

Early Cyrillic alphabet

Early CyrillicCyrillicOld Cyrillic
In addition to the Greek alphabet, Omega was also adopted into the early Cyrillic alphabet.

Isopsephy

isopsephianumerologyGreek
In the Greek numeric system/Isopsephy (Gematria), it has a value of 800.

Vowel length

shortlong vowellong
In phonetic terms, the Ancient Greek Ω is a long open-mid o, comparable to the vowel of British English raw.

Angular velocity

angular speedangular velocitiesOrders of magnitude (angular velocity)
Angular velocity is usually represented by the symbol omega (ω, sometimes Ω).

Fatty acid

fatty acidsfree fatty acidsfree fatty acid
Although fatty acids can be of different lengths, the last position is always labelled as ω (omega), which is the last letter in the Greek alphabet.

Null (SQL)

NULL NULLs
Codd also introduced the use of the lowercase Greek omega symbol to represent Null in database theory.

Frequency

frequenciesperiodperiodic
* Angular frequency, usually denoted by the Greek letter ω (omega), is defined as the rate of change of angular displacement, θ, (during rotation), or the rate of change of the phase of a sinusoidal waveform (notably in oscillations and waves), or as the rate of change of the argument to the sine function:

Supreme Court of the United Kingdom

Supreme CourtUK Supreme CourtUnited Kingdom Supreme Court
It comprises both the Greek letter omega (representing finality) and the symbol of Libra (symbolising the scales of justice), in addition to the four floral emblems of the United Kingdom: a Tudor rose, representing England, conjoined with the leaves of a leek, representing Wales; a flax (or 'lint') blossom for Northern Ireland; and a thistle, representing Scotland.

Alpha and Omega

Alpha-Omegathe Alpha and the OmegaAlpha & Omega
* Alpha and Omega
Alpha (Α or α) and omega (Ω or ω) are the first and last letters of the Greek alphabet, and a title of Christ and God in the Book of Revelation.

Big O notation

Obig-O notationlittle-o notation
The symbol was much later on (1976) viewed by Knuth as a capital omicron, probably in reference to his definition of the symbol Omega.

Ancient Greek

GreekClassical GreekGr.
Omega (capital: Ω, lowercase: ω; Greek ὦ, later ὦ μέγα, Modern Greek ωμέγα) is the 24th and last letter of the Greek alphabet.

Modern Greek

GreekModernModern Greek language
Omega (capital: Ω, lowercase: ω; Greek ὦ, later ὦ μέγα, Modern Greek ωμέγα) is the 24th and last letter of the Greek alphabet.

Greek numerals

Greek numeralGreeknumeric
In the Greek numeric system/Isopsephy (Gematria), it has a value of 800.

Gematria

numerical valueGematricalGematriya
In the Greek numeric system/Isopsephy (Gematria), it has a value of 800.

Phonetics

phoneticphoneticallyphonetician
In phonetic terms, the Ancient Greek Ω is a long open-mid o, comparable to the vowel of British English raw.

Open-mid back rounded vowel

ɔ oo ''' [ɔOpen-mid back rounded
In phonetic terms, the Ancient Greek Ω is a long open-mid o, comparable to the vowel of British English raw.

British English

BritishEnglishUK
In phonetic terms, the Ancient Greek Ω is a long open-mid o, comparable to the vowel of British English raw.