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ψι — meaning in English

psi

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English meaning

  • psi noun The 23rd letter of the Greek alphabet (Ψ, ψ).

Senses

ψι is used for these senses in English:

  • psi (countable) The twenty-third letter of Classical and Modern Greek and the twenty-fifth letter of Old and Ancient Greek.

psi — full definition

  1. noun The 23rd letter of the Greek alphabet (Ψ, ψ).
  2. noun In parapsychology, a supposed form of psychic or mental energy behind ESP and similar phenomena.
  3. symbol Abbreviation for "pounds per square inch," a unit of pressure.
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