Psi Symbol [Meaning and Symbolism]

Psi Symbol For You To Copy and Paste is Ψ

The Psi symbol (Ψ, ψ) is the 23rd letter of the Greek alphabet and holds a special place in various fields such as mathematics, physics, and psychology. We will explore the rich history and diverse meanings of the Psi symbol and provide the essential alt codes for typing this captivating character on your keyboard.

Psi Symbol 2023:


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All Symbols That Can Be Used For Psi:

Ψ, ψ,🔱, 🕎, 🈶, 🈺, 🈚, 🈴, 🈹, 🈶

How to Use These Symbols? 

Copy and paste the Psi Symbol in just one click. Just click on the Psi symbol copy button next to it and insert it anywhere.

Origins And History Of The Psi Symbol 

The Psi symbol is derived from the ancient Greek alphabet, which dates back to the 9th century BCE. Originally used as a letter to represent the “ps” sound in Greek, it is now frequently encountered in various academic and scientific contexts.

The Psi Symbol In Mathematics And Science 

The Psi symbol is widely used in mathematics and science to represent various concepts, such as:

  • In quantum mechanics, Ψ stands for the wave function, which describes the probability distribution of a particle in space.
  • In fluid dynamics, ψ represents stream function or potential flow.
  • In solid mechanics, Ψ denotes the strain energy density function.
  • In thermodynamics, it symbolizes the fugacity coefficient, which relates the chemical potential to the fugacity of a substance.

The Psi Symbol In Psychology

The Psi symbol is often associated with parapsychology and psychic phenomena in psychology. Dr Joseph Banks Rhine, a pioneer in parapsychology, chose the Psi symbol to represent psychic phenomena and paranormal research. Today, the symbol is used by various organizations and societies dedicated to studying parapsychology and psychic abilities.

Typing The Psi Symbol

Alt Codes To type the Psi symbol using alt codes, you will need a keyboard with a numeric keypad. Here are the alt codes for both the uppercase (Ψ) and lowercase (ψ) Psi symbols:

  • Uppercase Psi (Ψ): Hold down the “Alt” key and type “936” on the numeric keypad.
  • Lowercase Psi (ψ): Hold down the “Alt” key and type “968” on the numeric keypad.

For All Those Who Use MacBooks, They Can Use The Following Keyboard Shortcuts

  • Uppercase Psi (Ψ): Press “Option” + “Shift” + “Y.”
  • Lowercase Psi (ψ): Press “Option” + “Y.”


The Psi symbol is an intriguing character with a rich history and various meanings across different fields of study. By understanding its origins and significance, you can better appreciate its diverse mathematics, science, and psychology applications. With the alt codes provided, you can now effortlessly type the Psi symbol and unlock its mysterious power in your writing projects and research work.