Mendeleyevium
noun ·Rare ·Advanced level
Definitions
- 1 Rare form of mendelevium. form-of, rare, uncountable
"On Scientific Themes: NEW DEVELOPMENTS IN NUCLEAR PHYSICS. (Pravda, Feb. 15, p. 4. Complete text:) Discoveries of great fundamental importance have recently been in nuclear physics. Hitherto unknown elements—einsteinium, fermium and mendeleyevium—have been obtained with the aid of atomic technology, and in 1955 and 1956 such “elementary” particles of matter as anti-protons and anti-neurons were discovered."
Example
More examples"On Scientific Themes: NEW DEVELOPMENTS IN NUCLEAR PHYSICS. (Pravda, Feb. 15, p. 4. Complete text:) Discoveries of great fundamental importance have recently been in nuclear physics. Hitherto unknown elements—einsteinium, fermium and mendeleyevium—have been obtained with the aid of atomic technology, and in 1955 and 1956 such “elementary” particles of matter as anti-protons and anti-neurons were discovered."
Etymology
From Mendeleyev + -ium.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.