Meanings
- chemistryThe total pressure of a mixture or gases is the sum of the partial pressures of each gas in the mixture; it is only true for ideal gases.
Synonyms: the law of partial pressures
- chemistryWhen two elements can combine to form more than one compound then the amounts of one which combines with a fixed amount of the other will have a simple multiple relationship.
Synonyms: the law of multiple proportions
Synonyms & antonyms
proper nounThe total pressure of a mixture or gases is the sum of the partial pressures of each gas in the mixture; it is only true for ideal gases.
proper nounWhen two elements can combine to form more than one compound then the amounts of one which combines with a fixed amount of the other will have a simple multiple relationship.
More synonyms by meaning
noun(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
noun(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
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From John Dalton, English scientist.
Full word history & related roots →Cite this entry
Dalton's law. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Dalton's%20law
“Dalton's law.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Dalton's%20law. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “Dalton's law,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Dalton's%20law.
Source: Dalton's law on Wiktionary, CC BY-SA 4.0.