Mendeleev

American  

[men-dl-ey-uhf, myin-dyi-lye-yef] / ˌmɛn dlˈeɪ əf, myɪn dyɪˈlyɛ yɛf /

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

The reality is that Mendeleev had a contract to produce a chemistry textbook.

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

Like Meyer, Mendeleev had organized his particles into a rough grid, its rows containing elements with similar properties.

From The New Yorker • Dec. 27, 2019

The iconic periodic table of elements, devised by the Russian chemist Dmitri Mendeleev, is a two-dimensional array of the chemical elements, ordered by atomic number and arranged 18 across by orbitals.

From New York Times • Aug. 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