HOW TO PRONOUNCE
PSI
/saɪ/
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American Pronunciation Guide · 0:47
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What does PSI mean?
noun
- The twenty-third letter of Classical and Modern Greek and the twenty-fifth letter of Old and Ancient Greek.
- A form of psychic energy.
symbol
- Pound per square inch (an imperial unit of pressure)
More meanings (4)
noun
- Initialism of pre-sentence investigation.
- Initialism of protein structure initiative.
- Initialism of pollutant safety/standard index (measurement of the air pollutant such as haze).
proper noun
- Initialism of Policy Studies Institute, a British think tank.
Definitions regrouped for readability · CC BY-SA 4.0
IPA pronunciation
/saɪ/
CMU Pronouncing Dictionary ↗Pronunciation varies by speaker and region. About these dictionary pronunciations.
In the pages of books
See this word in context.
And if ye will wit of their A.B.C. what letters they be, here ye may see them, with the names that they clepe them there amongst them: Alpha, Betha, Gama, Deltha, εlonge, ε brevis, Epilmon, Thetha, Iota, Kapda, Lapda, Mi, Ni, Xi, ο brevis, Pi, Coph, Ro, Summa, Tau, Vi, Fy, Chi, Psi, Othomega, Diacosyn.