Omega (Greek letter)
Jump to navigation
Jump to search
Omega (uppercase Ω, lowercase ω) is the 24th and last letter of the Greek alphabet. 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.[1]
Chemistry
- designation for the last carbon on the chain in a fatty acid
Electricity
- ohm: SI unit of electrical resistance
Mathematics
- Omega constant (Lambert’s W function)[2]
- Chaitin’s constant: the probability that a randomly selected valid program string is interpreted by a halting
term[3]
- 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).[4]
Meterology
- Used to designate vertical motion in the atmosphere[5]
Statistics
- Sample space
- Set of possible outcomes
Literary
- End or last thing in a series[6]
Physics
- Solid angle or rate of precession in a gyroscope[7]
- Omega baryons (particle physics)
- Negatively charged elementary particle with a mass 3270 times the mass of an electron.[8]
- Omega minus b: a very short-lived unstable meson with mass 1532 times the mass of an electron (aka omega meson)[9]
References
- ↑ [1] Meteorite Book, Northern Arizona University
- ↑ [2] Wolfram Math World
- ↑ [3] School of Computer Sciences, Carnegie Mellon University
- ↑ [4] National Institute of Standards and Technology
- ↑ [5] JetStream – Online school for weather, National Weather Service
- ↑ [6] Ask Oxford
- ↑ [7]Wolfram Math World
- ↑ [8] Merriam Webster Online
- ↑ [9] Merriam Webster Online