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omega

[ oh-meg-uh, oh-mee-guh, oh-mey- ]
/ oʊˈmɛg ə, oʊˈmi gə, oʊˈmeɪ- /
SEE SYNONYMS FOR omega ON THESAURUS.COM

noun

the 24th and last letter of the Greek alphabet (Ω, ω).
the vowel sound represented by this letter.
the last of any series; the end.
omega baryon.
omega meson.

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Origin of omega

<Greek ō méga literally, great o.Cf. omicron

Words nearby omega

ombudsman, ombudsperson, ombudswoman, Omdurman, -ome, omega, omega-3 fatty acid, omega baryon, omega-c baryon, omega meson, omega minus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Content related to omega

omega rageBe warned. This dark term sees use in the internet's manosphere and can refer to violent revenge fantasies.
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Words related to omega

finish, closure, resolution, retirement, result, outcome, issue, conclusion, completion, finale, period, denouement, ending, termination, close, finis, consummation, desuetude, cease, fulfillment

Example sentences from the Web for omega

British Dictionary definitions for omega

omega
/ (ˈəʊmɪɡə) /

noun

the 24th and last letter of the Greek alphabet (Ω, ω), a long vowel, transliterated as o or ō
the ending or last of a series

Word Origin for omega

C16: from Greek ō mega big o; see mega-, omicron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for omega (1 of 2)

omega
[ ō-mĕg′ə, ō-mē′gə, ō-mā′- ]

n.

The 24th letter of the Greek alphabet.

adj.

Of or characterizing a chemical group or position at the end of a molecular chain, such as omega-oxidation.

Medical definitions for omega (2 of 2)

ω, Ω

The Greek letter omega. Entries beginning with this character are alphabetized under omega.
The symbol forohm
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for omega

omega
[ ō-mĕg′ə, ō-mē′gə, ō-mā′- ]

An omega baryon.
An omega meson.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with omega

omega

see alpha and omega.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.