There are 3 main definitions of omega in English:

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omega 1

Syllabification: o·me·ga
Pronunciation: /ōˈmāɡə/

noun

1The twenty-fourth, and last, letter of the Greek alphabet (Ω, ω), transliterated as ‘o’ or ‘ō.’.
Example sentences
  • Ah, yes, the round letters are quite small; yes, the omicrons and omegas seem to hover, there, in the middle of the line.
  • Alpha, rho, tau, sigma, omega, Ash went over the letters he saw in his mind while Lari just stared, apparently in her own little world.
  • After all, her father was a maths teacher who knew his alpha from his omega.
1.1The last of a series; the final development: [as modifier]: the omega point
More example sentences
  • There are dangers to thinking of time as headed inevitably to some omega point, of us being on some inevitable road to Armageddon.
  • For a Pack werewolf, such a handicap would condemn me to omega status - the bottom of the heap.
  • That's the beginning and the end, the alpha and the omega, and there's no exceptions.
1.2 (Omega) [followed by Latin genitive] Astronomy The twenty-fourth star in a constellation: Omega Scorpii
More example sentences
  • Finally there is Omega Scorpii, made up of two stars which. can be seen separately with the naked eye; the magnitudes are. 4.0 and 4.3.
  • Omega Scorpii, a star, looks like a fifth moon, so don't be deceived.
  • Omega Centauri has been known to be an unusual globular cluster for a long time.

symbol

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(Ω) Ohm(s): a 100Ω resistor

Origin

From Greek ō mega 'big O'.

Words that rhyme with omega

vinegar • Honegger

Definition of omega in:

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There are 3 main definitions of omega in English:

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omega-3 2
Pronunciation: /ˌəʊmᵻɡəˈθri/

Entry from British & World English dictionary

(also ω-3) Biochemistry

adjective

Designating unsaturated fatty acids whose molecules have a double bond between the carbon atoms that are third and second from the end of the hydrocarbon chain. Also written ω-3.
  • Such acids are found especially in fish oils.

noun

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An omega-three fatty acid.

Origin

1960s; earliest use found in Journal Nutrition. From omega + three noun, ω being the symbol of the terminal carbon atom in a fatty acid molecule.

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There are 3 main definitions of omega in English:

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omega-6 3
Pronunciation: /ˌəʊmᵻɡəˈsɪks/

Entry from British & World English dictionary

(also ω-6) Biochemistry

adjective

Designating unsaturated fatty acids whose molecules have a double bond between the carbon atoms that are sixth and fifth from the end of the hydrocarbon chain. Also written ω-6.
  • Such acids are found especially in nuts, seeds, and vegetable oils.

noun

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An omega-six fatty acid.

Origin

1970s. From omega + six, ω being the symbol of the terminal carbon atom in a fatty acid molecule.

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