P.S.I. Meaning and Definition
P.s.i.
Pronunciation
/piː ˈesˈaj/
Part of Speech
Noun or Initialism
Definition
A P.s.i. is a sudden, sharp drop in atmospheric pressure, often accompanied by a brief increase in wind speed and a change in weather patterns.
Examples
- The storm system brought a intense P.s.i. to the area, causing strong winds and heavy rainfall.
- The forecast predicted a low-pressure system, but the P.s.i. surprised weather officials with its intensity.
Synonyms
- Pressure drop
- Weather system
Antonyms
- Rise in pressure
- Weather stabilization
Etymology
The term P.s.i. is derived from the scientific concept of atmospheric pressure, which has been studied and measured for centuries.
Usage Notes
P.s.i. is often used in weather forecasting and meteorology to describe sudden changes in atmospheric pressure.
Cultural References
P.s.i. has been featured in several notable songs and films, often symbolizing sudden changes or dramatic shifts.
Idiomatic Expressions or Phrases
- “The storm is brewing” (anticipating a P.s.i.)
- “The calm before the storm” (referring to a P.s.i.)
Related Words or Phrases
- Atmospheric pressure
- Weather system
- Storm
Collocations
- P.s.i. warning
- P.s.i. alert
- P.s.i. forecast
P.s.i. is a relatively rare term in everyday conversation, but it is commonly used in scientific and meteorological contexts.
Common Misspellings
- P Si
- Psi
- PSI