omega

noun
ome·​ga | \ ō-ˈmā-gə How to pronounce omega (audio) , -ˈmē- How to pronounce omega (audio) , -ˈme- How to pronounce omega (audio) \

Definition of omega

1 : the 24th and last letter of the Greek alphabet — see Alphabet Table
2 : the extreme or final part : end
3a : a negatively charged elementary particle that has a mass 3270 times the mass of an electron

called also omega minus

b : a very short-lived unstable meson with mass 1532 times the mass of an electron

called also omega meson

Examples of omega in a Sentence

Recent Examples on the Web

Pepe Larraz/Marvel Hickman has also reintroduced the concept of omega-level mutants, under a taxonomical system that identifies mutants by their power levels. Alex Abad-santos, Vox, "House of X restores an air of myth and mystique to Marvel’s Merry Mutants ahead of their arrival in the MCU.," 2 Aug. 2019 As a rule of thumb, stick to a 1:1 ratio of omega 3 to omega 6 in your diet by eating equal amounts of foods that contain each. NBC News, "The best oils to use for cooking, according to nutritionists," 24 July 2019 This latest heat wave is being triggered by an omega block, a type of upper-level high-pressure pattern resembling the Greek letter Ω that blocks and diverts the jet stream, the Weather Channel said. Doyle Rice, USA TODAY, "Paris could break all-time heat record this week as scorching temps bake Europe," 23 July 2019 The album—a lean and loud thing; puffed up but never obnoxiously self-important—descends as the omega of Beyoncé and Jay-Z's years-long saga of woe and redemption. Jason Parham, WIRED, "Beyoncé and Jay-Z's Everything Is Love Marks a New Step in the Album's Evolution," 19 June 2018 Chefs in Curaçao have developed recipes featuring the omega 3-rich lionfish, and one local business is using the fish to create artisanal jewelry. Staff, The Christian Science Monitor, "Meanwhile in ... Greenland, dog sleds were used to rush ballots to remote polling areas," 31 May 2018 Image The Honeybrains cafe in Manhattan’s NoHo neighborhood serves curry cauliflower bowls, turmeric omega juice shots and mood-boosting supplements all intended to enhance mind and body. New York Times, "These Lights Are Like a Mood Ring for Your Room," 8 May 2018 The science seems vague, but there’s some evidence that CBD stimulates hair growth when applied to the scalp because of the omega fatty acids. Claire Valentine, The Cut, "12 CBD Beauty Products for Celebrating 420," 20 Apr. 2018 Try this ultra-nourishing retinoid oil; in addition to a blend of vitamin A, pro vitamin A, and retinoid, the formula contains vitamin E and omega fatty acids to soothe and hydrate. Kathleen Mulpeter, Health.com, "The Best Anti-Aging Products to Buy at the Dermstore Sale," 27 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'omega.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of omega

15th century, in the meaning defined at sense 1

History and Etymology for omega

Middle English, from Greek ō mega, literally, large o

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Dictionary Entries near omega

omdeh

Omdurman

-ome

omega

omega-3

omega-6

omegatron

Statistics for omega

Last Updated

24 Aug 2019

Look-up Popularity

Time Traveler for omega

The first known use of omega was in the 15th century

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More Definitions for omega

omega

noun

English Language Learners Definition of omega

: the 24th and last letter of the Greek alphabet

omega

adjective
ome·​ga
variants: or ω- \ ō-​ˈmeg-​ə, -​ˈmā-​gə, especially British ˈō-​meg-​ə \

Medical Definition of omega

: of, relating to, or being a chemical group or position at the end of a molecular chain omega oxidation of fatty acids

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Rhyming Dictionary: Words that rhyme with omega

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