Noun
the atmospheric pressure reduced by a formula to the pressure at sea level
Source: WordNetAverage sea-level pressure is 101.325 kPa (1013.25 hPa or mbar) or 29.92 inches (inHg) or 760 millimetres of mercury ( mmHg ). Source: Internet
The absolute pressure in a pressure cooker will always be lower at higher altitudes, since the differential pressure remains the same (if one were to travel high enough the pressure within the cooker would drop below sea-level pressure). Source: Internet
The reading is then adjusted to an equivalent sea-level pressure for purposes of reporting. Source: Internet
This graph shows the maximum percentage, by mass, of water vapor that air at sea-level pressure across a range of temperatures can contain. Source: Internet