What is the meaning of Psi?

ISO 639-3 language code for Southeast Pashayi.

The twenty-third letter of Classical and Modern Greek and the twenty-fifth letter of Old and Ancient Greek.

A form of psychic energy.

Pound per square inch

Psi; the Greek letter Ψ (lowercase ψ)

nominative/vocative plural of pes

psi (letter of the Greek alphabet)

psi (Greek letter)

psi (Greek letter)

canine, dog

psi (Greek letter Ψ, ψ)

used to call young dogs

psi (name of the Greek letter Ψ)

clipping of psicólogo

psi

nominative plural of pes

psi; the Greek letter Ψ, ψ

Source: wiktionary.org