Skip to main content
omega

omega

18 7.4
The last letter of the Greek alphabet used as a symbol in writing and science
  • noun
  • /oʊˈmeɪɡə/
: omega
  • Alpha, omega.
  • alpha and omega
  • Greek letter omega

The Alpha, the Omega, the Almighty, the great Father.

Autoplay Next

Examples

  • It is alpha and omega, and thus in each heart.

    Blog text (4)
  • The last letter of the Greek alphabet is omega, often used to signify the end of something.

  • The alpha and the omega.

  • The Alpha, the Omega, the Almighty, the great Father.

  • Look for the shape resembling the Greek letter omega.

    Blog text (19)
  • Is it a Sigma, Beta, Omega or a Zeta?

  • JONATHAN: The omega.

  • In mathematics, the symbol omega represents the last value in a sequence.

  • The term omega is often used in discussions about the Greek alphabet to denote its final letter.

Idioms

alpha and omega
  • Literature
5 8.1

The whole of something, including its beginning and its end

Compounds

omega-3
  • Specialized
26 4.0

A healthy fat found in fish and some plants that helps the heart and brain

omega-3 fatty acid
  • Specialized
8 3.7

A healthy fat in fish and some plants that helps the heart

omega-6
  • Specialized
5 4.7

A type of fat found in plant oils that the body needs

omega-6 fatty acid
  • Specialized
2 4.2

A type of fat in foods the body must get from the diet

A very large bright group of stars in the southern sky you can see without a telescope

Surface Forms

omega singular
omegas plural

Etymology

Omega is the name of the last (24th) letter of the Greek alphabet and comes from Greek words meaning a 'big O', with mega meaning 'large'. That's why omega is used as a symbol for the end (as in 'Alpha and Omega') and is also used in science to show how fast something turns.