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psi

Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Parapsychological phenomena or abilities considered as a group.
  • abbreviation pounds per square inch
  • noun The 23rd letter of the Greek alphabet.

from The Century Dictionary.

  • noun A Greek letter, Ψ, ψ. It belongs to the Ionic alphabet, and stands for ps or phs. The character may be a modification of Φ, φ.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • initialism Pounds per square inch (an imperial unit of pressure)
  • noun countable The twenty-third letter of Classical and Modern Greek and the twenty-fourth letter of Old and Ancient Greek.
  • noun uncountable, parapsychology A form of psychic energy.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the 23rd letter of the Greek alphabet
  • noun a unit of pressure

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Shortening and alteration of parapsychological.]

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English, from Late Greek, from Greek psei.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Initialism

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek ψῖ, the name for the twenty-third letter of the alphabet (Ψ, ψ).

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Examples

  • In spinor form the wave-field is psi = (psi_A, psi_ {A’}).

    Dark Matter: Still Dark. Julianne 2008

  • The term psi was coined as a neutral term for psychic phenomena in 1942 by British psychologist Robert Thouless.

    ENTANGLED MINDS DEAN RADIN 2006

  • The term psi was coined as a neutral term for psychic phenomena in 1942 by British psychologist Robert Thouless.

    ENTANGLED MINDS DEAN RADIN 2006

  • The term psi was coined as a neutral term for psychic phenomena in 1942 by British psychologist Robert Thouless.

    ENTANGLED MINDS DEAN RADIN 2006

  • Virtually all meditative traditions take for granted that what we call psi is simply the initial stages of awareness of deeper levels of reality.

    ENTANGLED MINDS DEAN RADIN 2006

  • Virtually all meditative traditions take for granted that what we call psi is simply the initial stages of awareness of deeper levels of reality.

    ENTANGLED MINDS DEAN RADIN 2006

  • Virtually all meditative traditions take for granted that what we call psi is simply the initial stages of awareness of deeper levels of reality.

    ENTANGLED MINDS DEAN RADIN 2006

  • Entangled Minds and Conscious Universe, Radin gives lectures and presentations around the world on his studies in what he calls psi (psychic) phenomena.

    independent.com stories 2008

  • They need to be though: even the most ardent believers in "psi" (the Greek letter is used as a blanket term to cover psychic phenomena) accept that evidence in favour of it is made up of small anomalies that are often difficult to identify with any certainty.

    Boing Boing: August 28, 2005 - September 3, 2005 Archives 2005

  • With such a little tank (20oz.), 3000 – 4000 psi is required to inflate so many tires, namely 40 road tires from empty to 120 psi with a single tank.

    Technical FAQ with Lennard Zinn: Blowing up tires, taking them off, and more 2010

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