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词汇 einsteinium
释义

Definition of einsteinium in English:

einsteinium

noun ʌɪnˈstʌɪnɪəmaɪnˈstaɪniəm
mass noun
  • The chemical element of atomic number 99, a radioactive metal of the actinide series. Einsteinium does not occur naturally and was discovered in 1953 in debris from the first hydrogen bomb explosion.

    (化学元素)锿(符号:ES )

    Example sentencesExamples
    • A tiny sample of einsteinium - 253 was bombarded with alpha particles in the university's 60-inch cyclotron.
    • They were named after two of the century's most creative physicists: einsteinium and fermium.
    • All isotopes of einsteinium are radioactive, the most stable being einsteinium - 252 with a half life of 20.47 days.
    • Atomic number 101 is a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles.
    • I don't know how Albert would have felt about this, but the element was named einsteinium, in his honor.

Origin

1950s: from the name of Albert Einstein, Albert + -ium.

Definition of einsteinium in US English:

einsteinium

nounīnˈstīnēəmaɪnˈstaɪniəm
  • The chemical element of atomic number 99, a radioactive metal of the actinide series. Einsteinium does not occur naturally and was discovered in 1953 in debris from the first hydrogen bomb explosion.

    (化学元素)锿(符号:ES )

    Example sentencesExamples
    • A tiny sample of einsteinium - 253 was bombarded with alpha particles in the university's 60-inch cyclotron.
    • I don't know how Albert would have felt about this, but the element was named einsteinium, in his honor.
    • All isotopes of einsteinium are radioactive, the most stable being einsteinium - 252 with a half life of 20.47 days.
    • They were named after two of the century's most creative physicists: einsteinium and fermium.
    • Atomic number 101 is a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles.

Origin

1950s: from the name of Albert Einstein, Albert + -ium.

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