noun Physics, Chemistry.
- the law that the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the gases of the mixture.
noun
- the principle that the pressure exerted by a mixture of gases in a fixed volume is equal to the sum of the pressures that each gas would exert if it occupied the whole volumeAlso called: Dalton’s law of partial pressures
n.
- A principle that each gas in a mixture of gases exerts a pressure proportionately to the percentage of the gas and independently of the presence of the other gases present.law of partial pressures