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Noun: Dalton's law of partial pressures
  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
    - Dalton's law, law of partial pressures

Type of: law, law of nature

Encyclopedia: Dalton's law of partial pressures