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词汇 meitnerium
释义

Definition of meitnerium in English:

meitnerium

noun mʌɪtˈnɪərɪəmmītˈnirēəm
mass noun
  • The chemical element of atomic number 109, a very unstable element made by high-energy atomic collisions.

    (化学元素)鿏(符号: Mt

    Example sentencesExamples
    • They have anywhere from 13 isotopes to one isotope (e.g., hassium and meitnerium).
    • Element 109 is named meitnerium, for Lise Meitner, who was the first to realize that uranium undergoes nuclear fission.
    • Less than 10 atoms of meitnerium have ever been made, and it will probably never be isolated in observable quantities.
    • None of meitnerium's chemistry has been researched, but it should resemble other elements of group 9, like iridium.
    • The German proposal of ‘meitnerium ‘for 109 was allowed to stand, as were the names proposed for elements 101, 102, and 103 - ‘mendelevium, ‘‘nobelium, ‘and ‘lawrencium, ‘respectively.’

Origin

1990s: modern Latin, from the name of L. Meitner (see Meitner, Lise).

Definition of meitnerium in US English:

meitnerium

nounmītˈnirēəm
  • The chemical element of atomic number 109, a very unstable element made by high-energy atomic collisions.

    (化学元素)鿏(符号: Mt

    Example sentencesExamples
    • Less than 10 atoms of meitnerium have ever been made, and it will probably never be isolated in observable quantities.
    • Element 109 is named meitnerium, for Lise Meitner, who was the first to realize that uranium undergoes nuclear fission.
    • They have anywhere from 13 isotopes to one isotope (e.g., hassium and meitnerium).
    • The German proposal of ‘meitnerium ‘for 109 was allowed to stand, as were the names proposed for elements 101, 102, and 103 - ‘mendelevium, ‘‘nobelium, ‘and ‘lawrencium, ‘respectively.’
    • None of meitnerium's chemistry has been researched, but it should resemble other elements of group 9, like iridium.

Origin

1990s: modern Latin, from the name of L. Meitner (see Meitner, Lise).

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