| 单词 | atomic mass unit |
| 释义 | atomic mass unit in British Englishnoun a unit of mass used to express atomic and molecular weights that is equal to one twelfth of the mass of an atom of carbon-12. It is equivalent to 1.66 × 10–27 kg Abbreviation: amu. Also called: unified atomic mass unit, daltonatomic mass unit in American English a unit of mass, exactly one twelfth the mass of a neutral atom of the most abundant isotope of carbon, C12: one atomic mass unit equals 1.6605 x 10-24 gram and is equivalent to 931.48 MeV in energy: symbol amu or u |
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