- Omega is defined as the last of something, particularly the last letter in the Greek alphabet.
An example of the omega is the final day on earth.
omega definition by Webster's New World
- 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
- the last (of any series); end
Origin: Classical Greek ō plush mega, great (see mega-): literally , great (i.e., long) o, to distinguish from o mikron: see omicron
omega definition by American Heritage Dictionary
- The 24th letter of the Greek alphabet. See Table at alphabet.
- The end.
- See omega baryon.
- See omega meson.
Origin: 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; see meg- in Indo-European roots.
omega - Investment & Finance Definition
A model used to price derivatives that measures the effect of volatility. Also called vega, zeta, or kappa.Webster's New World Finance and Investment Dictionary Copyright © 2010 by Wiley Publishing, Inc., Indianapolis, Indiana. Used by arrangement with John Wiley & Sons, Inc.
omega - Medical Definition
omega - Phrases/Idioms
omega - Science Definition
- An omega baryon.
- An omega meson.