Dictionary
Dal'ton's law'
Physics, Chem.
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. Also called
Dal'ton's law' of par'tial pres'sures, law of partial pressures. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.