| 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. |
Dalton's law Dal·ton's law (dôl'tənz)
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. Also called law of partial pressures.
