Omega (Greek letter): Difference between revisions
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Omega (uppercase Ω, lowercase ω) is the 24th and last letter of the [[Greek alphabet]].<ref>[http://www.omniglot.com/writing/greek.htm Greek] Omniglot</ref> In the Greek numeric system, it has a value of 800. | Omega (uppercase Ω, lowercase ω) is the 24th and last letter of the [[Greek alphabet]].<ref>[http://www.omniglot.com/writing/greek.htm Greek] Omniglot</ref> In the Greek numeric system, it has a value of 800. | ||
Revision as of 16:56, 30 March 2008
Omega (uppercase Ω, lowercase ω) is the 24th and last letter of the Greek alphabet.[1] In the Greek numeric system, it has a value of 800.
Symbol uppercase Ω
Astronomy
- density of the universe, also referred to as the cosmological density parameter. with components of mass density, ΩM, and vacuum energy density, ΩL.[2][3][4]
Chemistry
- designation for the last carbon on the chain in a fatty acid
Electricity
- Ohm: SI unit of electrical resistance
- Siemens (unit), abbreviated S, is the reciprocal of the ohm.
Mathematics
- Omega constant (Lambert’s W function)[5]
- Chaitin’s constant: the probability that a randomly selected valid program string is interpreted by a halting
term[6]
- Calculus: a 2-D region
- A theoretical measure of the execution of an algorithm, (e.g. required time or memory) given the problem size n (e.g. the number of items).[7]
- Stochastic process[8]
Meterology
- Used to designate vertical motion in the atmosphere[9]
Statistics
- Sample space
- Set of possible outcomes
Literary
- End or last thing in a series[10]
Physics
- Solid angle or rate of precession in a gyroscope[11]
- Omega baryons (particle physics)
- Negatively charged elementary particle with a mass 3270 times the mass of an electron.[12]
- Omega minus b: a very short-lived unstable meson with mass 1532 times the mass of an electron (aka omega meson)[13]
Symbol lowercase ω
Mathematics
- The set of all natural numbers
References
- ↑ Greek Omniglot
- ↑ [1] Meteorite Book, Northern Arizona University
- ↑ Curvature Astrophysics
- ↑ Cosmological curvature Cosmology
- ↑ [2] Wolfram Math World
- ↑ [3] School of Computer Sciences, Carnegie Mellon University
- ↑ [4] National Institute of Standards and Technology
- ↑ Formal definition and basic properties Stochastic process
- ↑ [5] JetStream – Online school for weather, National Weather Service
- ↑ [6] Ask Oxford
- ↑ [7]Wolfram Math World
- ↑ [8] Merriam Webster Online
- ↑ [9] Merriam Webster Online