Partial pressure

partial pressure

n.

The pressure that one component of a mixture of gases would exert if it were alone in a container.

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Partial pressure

The pressure exerted by one of the gases in a mixture of gases. The partial pressure of the gas is proportional to its concentration in the mixture. The total pressure of the gas mixture is the sum of the partial pressures of the gases in it (Dalton's Law) and as the total pressure increases, each partial pressure increases proportionally.

Mentioned in: Nitrogen Narcosis