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psi
- 10 dictionary results
psi
1
/
saɪ
,
psaɪ
/
Show Spelled
[
sahy
,
psahy
]
Show IPA
–noun,
plural
psis.
1.
the 23rd letter of the Greek alphabet (Ψ, ψ).
2.
the group of consonant sounds represented by this letter.
Use
psi
in a Sentence
See images of
psi
Search
psi
on the Web
Origin:
1350–1400;
ME < Gk
pseî
psi
2
/
saɪ
/
Show Spelled
[
sahy
]
Show IPA
–noun
any purportedly psychic phenomenon, as psychokinesis, telepathy, clairvoyance, or the like.
Compare
pseudoscience
,
parapsychology
.
Origin:
1940–45;
shortening of
psychic
or
parapsychic
psi
pounds per square inch.
Also,
p.s.i.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
Cite This Source
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Link To
psi
World English Dictionary
psi
1
—
abbreviation for
pounds per square inch
psi
2
(psaɪ)
—
n
1.
the 23rd letter of the Greek alphabet (Ψ, ψ), a composite consonant, transliterated as
ps
2.
a. paranormal or psychic phenomena collectively
b. (
as modifier
):
psi powers
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Medical Dictionary
1
psi definition
Pronunciation:
/ˈsī/
Function:
adj
:
relating to, concerned with, or being parapsychological psychic events or powers <
psi
phenomena>
2
psi definition
Function:
n
:
psi events or phenomena
Merriam-Webster's Medical Dictionary, © 2007 Merriam-Webster, Inc.
Cite This Source
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.
Cite This Source
Computing Dictionary
PSI definition
Portable Scheme Interpreter
The Free On-line Dictionary of Computing, © Denis Howe 2010
http://foldoc.org
Cite This Source
Abbreviations & Acronyms
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.
Cite This Source
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