the 24th and last letter of the Greek alphabet (Ω, ω), a long vowel, transliterated as o or ō
2.
the ending or last of a series
Word origin
C16: from Greek ō mega big o; see mega-, omicron
omega in American English
(oʊˈmeɪgə; oʊˈmigə)
noun
1.
the twenty-fourth and final letter of the Greek alphabet (Ω, ω): in English transliteration, as in the etymologies of this dictionary, it is shown as ō
2.
the last (of any series); end
Word origin
Gr ō + mega, great (see mega-): lit., great (i.e., long) o, to distinguish from o mikron: see omicron
Examples of 'omega' in a sentence
omega
Their oily flesh is full of healthy omega oils.
Times, Sunday Times (2008)
The alpha and omega of the weather manifesto is better weather.
Times, Sunday Times (2012)
The alpha and omega of soldiering and training is discipline and drill.
Simon Ball THE GUARDSMEN (2004)
These floating cities are without doubt the alpha and omega of cruising for many passengers who prefer their ships loud and proud.
Times, Sunday Times (2010)
This dish is low in fat but contains good fats and omega 3 oils.
The Sun (2015)
Fish is rich in omega 3 oils which protect against heart disease.
The Sun (2008)
This is the alpha and omega of new Labour.
Times, Sunday Times (2010)
They herded sheep, the alpha and omega of their cuisine.
Times, Sunday Times (2010)
And then there is this: we live in an age when images are the alpha and omega of our existence.
Christianity Today (2000)
I feed her vitamins, omega oils and a nasty powder that tastes of seaweed.