Omega - Definitions from Dictionary.com

13 results for: Omega

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

o·me·ga

Audio Help [oh-mee-guh, oh-mey-, oh-meg-uh] Pronunciation Key

–noun

1.	the 24th and last letter of the Greek alphabet (Ω, ω).

2.	the vowel sound represented by this letter.

3.	the last of any series; the end.

4.	omega baryon.

5.	omega meson.

[Origin: < Gk ō méga lit., great o. Cf. omicron

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Omega

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American Heritage Dictionary - Cite This Source - Share This

o·me·ga Audio Help (ō-měg'ə, ō-mē'gə, ō-mā'-) Pronunciation Key
n.

The 24th letter of the Greek alphabet. See Table at alphabet.
The end.
See omega baryon.
See omega meson.

[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.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage Dictionary - Cite This Source - Share This

omega baryon
n. A subatomic particle in the baryon family having a mass 3,272 times that of the electron, a unit negative electron charge, and an average lifetime of 8 × 10^-11 seconds. Also called omega. See Table at subatomic particle.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage Dictionary - Cite This Source - Share This

omega meson
n. A neutral meson having a mass 1,532 times that of the electron and an average lifetime of 6.6 × 10^-23 seconds. Also called omega. See Table at subatomic particle.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
omega

c.1400, from Medieval Gk. omega, final letter of the Gk. alphabet (cf. Rev. i.8), from classical Gk. o mega "big 'o' " (in contrast to o micron "little 'o' "); so called because the vowel was long in ancient Gk.

WordNet - Cite This Source - Share This

omega
noun
1.	the ending of a series or sequence; "the Alpha and the Omega, the first and the last, the beginning and the end"--Revelation
2.	the last (24th) letter of the Greek alphabet

American Heritage Dictionary of Idioms - Cite This Source - Share This

omega

see alpha and omega.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Company.

The American Heritage Science Dictionary - Cite This Source - Share This

omega Audio Help (ō-měg'ə, ō-mē'gə, ō-mā'-) Pronunciation Key

An omega baryon.
An omega meson.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Free On-line Dictionary of Computing - Cite This Source - Share This

Omega
1. A prototype-based object-oriented language from Austria.
["Type-Safe Object-Oriented Programming with Prototypes - The Concept of Omega", G. Blaschek, Structured Programming 12:217-225, 1991].
2. A successor to TeX extended to handle the Unicode character set.
(http://ens.fr/omega/).
(1997-11-20)

U.S. Gazetteer - Cite This Source - Share This

Omega, GA (city, FIPS 58184) Location: 31.33833 N, 83.59560 W
Population (1990): 912 (384 housing units)
Area: 4.6 sq km (land), 0.0 sq km (water)
Zip code(s): 31775

Omega, OK Zip code(s): 73764

U.S. Gazetteer, U.S. Census Bureau

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Omega

O*me"ga\, n. [NL., fr. Gr. ?, i.e., the great or long o. Cf. Mickle.]

1. The last letter of the Greek alphabet. See Alpha.

2. The last; the end; hence, death.

"Omega! thou art Lord," they said. --Tennyson.

Alpha and Omega, the beginning and the ending; hence, the chief, the whole. --Rev. i. 8.

The alpha and omega of science. --Sir J. Herschel.

Acronym Finder - Cite This Source - Share This

OMEGA