noun
law of multiple proportions
A chemistry principle stating that when two elements form more than one compound, the masses of one element that combine with a fixed mass of the other are in ratios of small whole numbers.
倍数比例の法則は、ドルトンが提唱した化学の基本法則の一つです。
The law of multiple proportions is one of the fundamental laws of chemistry proposed by Dalton.
A compound of 倍数 (multiple), 比例 (proportion), and 法則 (law), directly translating the English term 'law of multiple proportions'.