Omega Definition

ō-mĕgə, ō-mēgə, ō-mā-
noun
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
Webster's New World
The last (of any series); end.
Webster's New World
In cosmology theory, the ratio of the average density of matter in the universe to its critical density.
American Heritage

The twenty-fourth letter of the Classical and the Modern Greek alphabet, and the twenty-eighth letter of the Old and the Ancient Greek alphabet, i.e. the last letter of every Greek alphabet. Uppercase version: Ω; lowercase: ω.

Wiktionary
(physics) Angular velocity; symbol: ω.
Wiktionary
Synonyms:
  • z
adjective
Relating to the end of the chain of carbon atoms that is opposite the carboxyl group in the molecule of a fatty acid.
American Heritage

Other Word Forms of Omega

Noun

Singular:
omega
Plural:
omegala, omegas

Origin of Omega

  • Middle English from Greek ō mega large o (from its being a long vowel in Greek) ō the letter o mega neuter of megas large, great meg- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English, from Ancient Greek ὦ (ō) μέγα (mega, “large") (omega is a long vowel in Ancient Greek).

    From Wiktionary

Omega Sentence Examples

  • As this was placed at the end of the ordinary (not the numeral) Greek alphabet, "alpha and omega" has become a proverbial phrase for first and last.

  • The Greeks themselves, however, did not call S2 omega (great o) nor did they call 0 omicron (little o), though these names are given even in modern Greek grammars.

  • Omega Centauri makes an almost equilateral triangle with these two stars on their western side.

  • Short Description Omega 3 Fish Oil contains the fatty acids EPA and DHA which are essential to achieve and maintain great health.

  • Define omega matter and omega lambda, to be the density and lambda, divided by the critical value.

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Words Starting With

OOMOME

Words Ending With

AGAEGA

Unscrambles

omega

Words Starting With O and Ending With A

Starts With O & Ends With AStarts With OM & Ends With AStarts With O & Ends With GA

Word Length

5 Letter Words5 Letter Words Starting With O5 Letter Words Ending With A