Mendeleev

American  

[men-dl-ay-uhf, myin-dyi-lye-yef] / ˌmɛn dlˈeɪ əf, mjɪn djɪˈljɛ jɛf /

Or Mendeleyev,

noun

1. Dmitri Ivanovich 1834–1907, Russian chemist: helped develop the periodic law.

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Mendeleev Scientific  

/ mĕn′də-lā′əf /

1. Russian chemist who devised the Periodic Table, which shows the relationships between the chemical elements. He first published the Table in 1869 and continued to refine it over the next 20 years.

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Example Sentences

See Examples For:

Mendeleev

In 1871, Russian chemist Dmitri Mendeleev created the first periodic table by arranging elements according to increasing atomic numbers and intentionally left empty spaces for elements he believed had yet to be found.

From Science Daily ● Jul. 9, 2026

The periodic table supposedly came to Dmitri Mendeleev in a dream.

From The Wall Street Journal ● May 13, 2026

When Mendeleev first announced the periodic table to the Russian Chemical Society in 1869, it included sixty-three elements.

From Salon ● Nov. 26, 2021

Five years later, Mendeleev published his own periodic table, which steadily evolved into the version we use today.

From The New Yorker ● Dec. 27, 2019

Mendeleev had predicted, and others including Henry Moseley had later confirmed, that there should be elements below Manganese in Group 7.

From Textbooks ● Feb. 14, 2019

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