Units of measurement
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Millibar (mbar)
Millimeters of water (mmH2O)
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Millibar (mbar)
Millibar (mbar) — a unit of pressure equal to one-thousandth of a bar. Frequently used in meteorology to measure atmospheric pressure.
Millimeters of water (mmH2O)
Millimeters of water (mmH2O) — a unit of pressure equal to the pressure exerted by a 1-millimeter high column of water. Used in hydrostatics and water systems.