psi.
The abbreviation for distilled water is H2O.
The molecular abbreviation for water is H2O.
The medical abbreviation for water is H2O
H2O
The abbreviation for pressure is p
The Abbreviation for Manifold Absolute pressure is MAP.
It doesn't have an abbreviation per se. Its atomic symbols is Na.NA
You want an abbreviation for a four letter word? How lazy are you anyway? In chemistry and physics, the usual symbol for work in an equation is W or Q.
The abbreviation STP for "Standard Temperature and Pressure."
IT is an abbreviation for "inches of mercury" (inHg), which is a unit of pressure. It is often used in meteorology and barometry to measure atmospheric pressure. The abbreviation for millimeters of mercury is "mmHg."
Pulse Pressure....(Systolic Pressure-Diastolic Pressure)
PSI is the abbreviation used to denote tire pressure. Tire pressure refers to how much air should be inflated into a car's tires.