PSI
- (initialism) . Pounds per square inch.
- (initialism) . Pre-Sentence Investigation.
- (initialism) . Protein Structure Initiative.
- (initialism) . Pollutant Safety Index or Pollutant Standard Index (measurement of the air pollutant such as haze).
- (initialism) . (Singapore) Please Stay Indoors.
- 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.
- (initialism) . Pounds per square inch (qualifier, an imperial unit of pressure) .
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This entry was last updated on RefTopia from its source on 3/20/2012.