Psi

  (Redirected from PSI (disambiguation))

Psi or the initials PSI or Ψ may refer to:

Alphabetic lettersEdit

  • Psi (Greek) (Ψ, ψ), the 23rd letter of the Greek alphabet
  • Psi (Cyrillic) (Ѱ, ѱ), letter of the early Cyrillic alphabet, adopted from Greek

Arts and entertainmentEdit

ComicsEdit

MusicEdit

Other uses in arts and entertainmentEdit

OrganizationsEdit

Government and politicsEdit

Other organizationsEdit

ParapsychologyEdit

Science, technology, and mathematicsEdit

Biology and medicineEdit

ComputingEdit

EconomicsEdit

  • PSI-20, stock market index of companies that trade on Euronext Lisbon, the main stock exchange of Portugal
  • Private sector involvement, in sovereign-debt restructuring deals

EngineeringEdit

  • "Yaw" angle, one of the Euler angles, denoted ψ in aerospace engineering

GeographyEdit

MathematicsEdit

Physics and chemistryEdit

PsychologyEdit

  • Psychology or psychologist, denoted Ψ, used in the logo of various psychological associations
  • Psi Chi, the National Honor Society in psychology
  • Psi-theory, theory about the human mind, a cognitive architecture
  • Psychiatric Solutions, Inc., corporation that owns psychiatric hospitals

Other usesEdit

See alsoEdit