[sahy, psahy]
Psi may refer to:

As a word

As a Greek letter

  • J/ψ particle, a subatomic particle
  • Wavefunction in Quantum Mechanics, ψ
  • In physical chemistry, Ψ represents water potential, the potential energy of a water solution relative to pure water
  • Ψ stands for psychology and psychologist, often used in the logo of various psychological associations
  • ΨΧ (Psi Chi), National Honor Society in Psychology

In mathematics

As an abbreviation


In Computing:

PSI can be an abbreviation for:



In comics

In music

  • Psi Power, a 1978 song by the UK rock group Hawkwind
  • Psi Com, a 1980s rock band

In fiction

Search another word or see psion Dictionary | Thesaurus |Spanish
Copyright © 2015, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature