noun
1. (chemistry) law stating that when two elements can combine to form more than one compound the amounts of one of them that combines with a fixed amount of the other will exhibit a simple multiple relation
• Syn: ↑law of multiple proportions
• Topics: ↑chemistry, ↑chemical science
• Hypernyms: ↑law, ↑law of nature
2. (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
• Topics: ↑chemistry, ↑chemical science, ↑physics, ↑natural philosophy
• Hypernyms: ↑law, ↑law of nature
Useful english dictionary. 2012.