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Denotation vs. Connotation

psi1

[sahy, psahy] /saɪ, psaɪ/
noun, plural psis.
1.
the 23rd letter of the Greek alphabet (Ψ, ψ).
2.
the group of consonant sounds represented by this letter.
Origin of psi1
1350-1400
1350-1400; Middle English < Greek pseî

psi2

[sahy] /saɪ/
noun
1.
any purportedly psychic phenomenon, as psychokinesis, telepathy, clairvoyance, or the like.
Origin
1940-45; shortening of psychic or parapsychic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for psis
Historical Examples
  • I'd have liked to hear more—it was Dixieland times two—what the psis call Psixieland.

    Modus Vivendi Gordon Randall Garrett
  • His black eyes had that lively watchfulness you associate with psis.

    Modus Vivendi Gordon Randall Garrett
  • Remove young psis from the Psi society—cut them loose from their natural contacts, force them to quit using their powers.

    Modus Vivendi Gordon Randall Garrett
  • Their attire, their homes, everything about psis, seems tasteful.

    Modus Vivendi Gordon Randall Garrett
  • Pheola of the race-horse legs joined us, and several other psis as well.

    Card Trick Walter Bupp AKA Randall Garrett
  • "You'd sure look silly if all the psis in town blackballed you," I snarled at him.

    Modus Vivendi Gordon Randall Garrett
  • The important question had always been whether Lefty and the others were psis.

    Card Trick Walter Bupp AKA Randall Garrett
  • And they must surely realize that all mankind will evolve to psis one day.

    The Psilent Partner John Victor Peterson
  • Crescas appeared as if by magic—psis act like that—and had me by the arm.

    Modus Vivendi Gordon Randall Garrett
  • It's understood wherever people gamble that psis aren't welcome.

    Card Trick Walter Bupp AKA Randall Garrett
British Dictionary definitions for psis

PSIS

abbreviation (in New Zealand)
1.
Public Service Investment Society, New Zealand's largest credit union

psi1

abbreviation
1.
pounds per square inch

psi2

/psaɪ/
noun
1.
the 23rd letter of the Greek alphabet (Ψ, ψ), a composite consonant, transliterated as ps
2.
  1. paranormal or psychic phenomena collectively
  2. (as modifier): psi powers
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for psis

psi

n.

23rd letter of the Greek alphabet. Use for "psychic force, paranormal phenomenon" dates from 1942 (probably from psychic (adj.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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psis in Medicine

psi 1 (sī, psī)
n.

Symbol ψ The 23rd letter of the Greek alphabet.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Related Abbreviations for psis

PSIS

Plastic Surgery Information Service

psi

pounds per square inch
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Value for psis

6
7
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