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# The twenty-third letter of the [http://en.wiktionary.org/wiki/Classical_Greek Classical Greek] and [http://en.wiktionary.org/wiki/Modern_Greek Modern Greek], the twenty-forth letter of [http://en.wiktionary.org/wiki/Old_Greek Old Greek] and [http://en.wiktionary.org/wiki/Ancient_Greek Ancient Greek] Alphabet. |
# The twenty-third letter of the [http://en.wiktionary.org/wiki/Classical_Greek Classical Greek] and [http://en.wiktionary.org/wiki/Modern_Greek Modern Greek], the twenty-forth letter of [http://en.wiktionary.org/wiki/Old_Greek Old Greek] and [http://en.wiktionary.org/wiki/Ancient_Greek Ancient Greek] Alphabet. |
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#In mathematics (Ѱ, ѱ) is the angle between the tangent and the x-axis in the intrinsic coordinates system. |
#In mathematics (Ѱ, ѱ) is the angle between the tangent and the x-axis in the intrinsic coordinates system. |
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# The lower-case letter ψ is used as the symbol for the wave function in quantum mechanics. |
# The lower-case letter ψ is used as the symbol for the [[wave function]] in [[quantum mechanics]]. |
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# In high-energy physics, Ψ refers to a meson also called the J/Ψ particle |
# In high-energy physics, Ψ refers to a meson also called the J/Ψ particle. It is an unstable neutral/uncharged fundamental particle of the meson group that has a mass about 6,000 times the mass of an electron. See [[Wikipedia:List of subatomic particles#Mesons]]. |
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# Psi is also a popular [[Jabber]] client. |
# Psi is also a popular [[Jabber]] client. |
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# Psi was also a character on the popular game and television series, Pokémon. |
# Psi was also a character on the popular game and television series, Pokémon. |
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# The Italian Socialist Party (Partito Socialista Italiano) |
# The Italian Socialist Party (Partito Socialista Italiano) |
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# Pounds per square inch (PSI). |
# Pounds per square inch (PSI). |
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# It has come to be a symbol for (para)-psychology-related topics, and has also been used as a shorthand for supposed psychic or [http://en.wikipedia.org/wiki/Psionic psionic] abilities or powers. |
# It has come to be a symbol for (para)-[[psychology]]-related topics, and has also been used as a shorthand for supposed psychic or [http://en.wikipedia.org/wiki/Psionic psionic] abilities or powers. |
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* http://en.wikipedia.org/wiki/Psi |
* http://en.wikipedia.org/wiki/Psi |
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Latest revision as of 06:35, 29 June 2005
Ψ
- The twenty-third letter of the Classical Greek and Modern Greek, the twenty-forth letter of Old Greek and Ancient Greek Alphabet.
- In mathematics (Ѱ, ѱ) is the angle between the tangent and the x-axis in the intrinsic coordinates system.
- The lower-case letter ψ is used as the symbol for the wave function in quantum mechanics.
- In high-energy physics, Ψ refers to a meson also called the J/Ψ particle. It is an unstable neutral/uncharged fundamental particle of the meson group that has a mass about 6,000 times the mass of an electron. See Wikipedia:List of subatomic particles#Mesons.
- Psi is also a popular Jabber client.
- Psi was also a character on the popular game and television series, Pokémon.
- The Italian Socialist Party (Partito Socialista Italiano)
- Pounds per square inch (PSI).
- It has come to be a symbol for (para)-psychology-related topics, and has also been used as a shorthand for supposed psychic or psionic abilities or powers.