Definition of periodic law in English:

periodic law

Line breaks: peri|od¦ic law

noun

Chemistry
  • A law stating that the elements, when listed in order of their atomic numbers, fall into recurring groups, so that elements with similar properties occur at regular intervals.
    More example sentences
    • His discovery of the periodic law in the late 1860s was a remarkable accomplishment.
    • This site provides details about him and his major achievement, with the discovery of periodic law and the table.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody