Normal force acting on a surface divided by the area of that surface. For a mixture of gases the contribution by each @[email protected] is called the @[email protected] \(p_{i}=x_{i}\ p\), where \(x_{i}\) is the @[email protected] of the \(i\)th @[email protected] and \(p\) is the total pressure.
Green Book, 2nd ed., p. 12 [Terms] [Book]
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 987 [Terms] [Paper]