Definition of fermium in English:

fermium

noun ˈfəːmɪəm

mass noun

The chemical element of atomic number 100, a radioactive metal of the actinide series. Fermium does not occur naturally and was discovered in 1953 in the debris of the first hydrogen bomb explosion.
（化学元素）镄（符号： Fm ）
Example sentencesExamples
- Scientists have for the first time literally shed light on properties of the radioactive element fermium - a metal discovered some 50 years ago.
- The Dubna group had made fermium and rutherfordium this way in the 1970s.
- All isotopes of fermium are radioactive, with fermium-257 having the longest half life, 20.1 hours.
- The transfermium elements are those elements with atomic numbers greater than 100, the atomic number for fermium.

Origin

1950s: from the name of Fermi, Enrico + -ium.

Definition of fermium in US English:

fermium

noun

The chemical element of atomic number 100, a radioactive metal of the actinide series. Fermium does not occur naturally and was discovered in 1953 in the debris of the first hydrogen bomb explosion.
（化学元素）镄（符号： Fm ）
Example sentencesExamples
- All isotopes of fermium are radioactive, with fermium-257 having the longest half life, 20.1 hours.
- The Dubna group had made fermium and rutherfordium this way in the 1970s.
- The transfermium elements are those elements with atomic numbers greater than 100, the atomic number for fermium.
- Scientists have for the first time literally shed light on properties of the radioactive element fermium - a metal discovered some 50 years ago.

Origin

1950s: from the name of Fermi, Enrico + -ium.

词汇	fermium
释义	Definition of fermium in English: fermium noun ˈfəːmɪəm mass noun The chemical element of atomic number 100, a radioactive metal of the actinide series. Fermium does not occur naturally and was discovered in 1953 in the debris of the first hydrogen bomb explosion. （化学元素）镄（符号： Fm ） Example sentencesExamples Scientists have for the first time literally shed light on properties of the radioactive element fermium - a metal discovered some 50 years ago. The Dubna group had made fermium and rutherfordium this way in the 1970s. All isotopes of fermium are radioactive, with fermium-257 having the longest half life, 20.1 hours. The transfermium elements are those elements with atomic numbers greater than 100, the atomic number for fermium. Origin 1950s: from the name of Fermi, Enrico + -ium. Definition of fermium in US English: fermium noun The chemical element of atomic number 100, a radioactive metal of the actinide series. Fermium does not occur naturally and was discovered in 1953 in the debris of the first hydrogen bomb explosion. （化学元素）镄（符号： Fm ） Example sentencesExamples All isotopes of fermium are radioactive, with fermium-257 having the longest half life, 20.1 hours. The Dubna group had made fermium and rutherfordium this way in the 1970s. The transfermium elements are those elements with atomic numbers greater than 100, the atomic number for fermium. Scientists have for the first time literally shed light on properties of the radioactive element fermium - a metal discovered some 50 years ago. Origin 1950s: from the name of Fermi, Enrico + -ium.
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