ω

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ω U+03C9, ω
GREEK SMALL LETTER OMEGA
ψ
[U+03C8]
Greek and Coptic ϊ
[U+03CA]
𝜔 U+1D714, 𝜔
MATHEMATICAL ITALIC SMALL OMEGA
𝜓
[U+1D713]
Mathematical Alphanumeric Symbols 𝜕
[U+1D715]

Translingual[edit]

Symbol[edit]

ω

  1. (physics) angular velocity
  2. (thermodynamics) acentric factor
  3. (mathematics, set theory) The first (countably) infinite ordinal number, its corresponding cardinal number 0 or the set of natural numbers (the latter of which are often defined to equal the former).

See also[edit]

Ancient Greek[edit]

Etymology[edit]

From a ligature of two omicrons (οο) written close together.

Letter[edit]

ω (ō) (lowercase, uppercase Ω)

  1. Lower-case omega (ὦ μέγα), the 24th letter of the ancient Greek alphabet. It represented the long open-mid back rounded vowel /ɔː/. It is preceded by ψ.

Derived terms[edit]

See also omega

See also[edit]

Greek[edit]

Letter[edit]

ω (o) (lowercase, uppercase Ω)

  1. The lower case letter omega (ωμέγα), the 24th and last letter of the modern Greek alphabet.

Derived terms[edit]

  • ω΄ (, numeral: 800)
  • ͵ω (͵o, numeral: 800,000)

See also[edit]

see: Appendix:Greek alphabet

Interjection[edit]

ω! (o!)

  1. oh!