1.(kemia ja fysiikka)sääntö, jonka mukaan kaasuseoksen paine on sen sisältämien kaasujen osapaineiden summa
1.(chemistry and physics) law stating that the pressure exerted by a mixture of gases equals the sum of the partial pressures of the gases in the mixture; the pressure of a gas in a mixture equals the pressure it would exert if it occupied the same volume alone at the same temperature