Definition of Gay-Lussac's law in English:

Gay-Lussac's law

Syllabification: Gay-Lus·sac's law
Pronunciation: /ˌgāləˈsaks ˌlô
 
/
Chemistry
  • A law stating that the volumes of gases undergoing a reaction at constant pressure and temperature are in a simple ratio to each other and to that of the product.
    More example sentences
    • Charles' law also is known as Gay-Lussac's law and the constant pressure law.
    • This important elaboration came to be known as Gay-Lussac's law of combining volumes.
    • This law provides an explanation for why Gay-Lussac's law of combining volumes works.

Origin

early 19th century: named after Joseph L. Gay-Lussac (1778–1850), French chemist and physicist.

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Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody