partial pressure

noun Physics, Chemistry.

the pressure that a gas in a mixture of gases would exert if it occupied the same volume as the mixture at the same temperature.
Compare Dalton's law.

Origin of partial pressure

First recorded in 1855–60

Words nearby partial pressure

partial differentiation, partial eclipse, partial fraction, partial ophthalmoplegia, partial ordering, partial pressure, partial product, partial reinforcement, partial seizure, partial sum, partial tone

British Dictionary definitions for partial pressure

partial pressure

noun

the pressure that a gas, in a mixture of gases, would exert if it alone occupied the whole volume occupied by the mixture

Medical definitions for partial pressure

partial pressure

n.

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