atomic explosion
atomic explosion

atomic mass


Definition: Meaning of, atomic mass in English to English dictionary.

Pronunciation: / əˈtɒmɪk mas /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
atomic mass atomic masses
  1. chemistry the mass of an atom of a chemical element expressed in atomic mass units
    SYNONYM
    atomic weight, relative atomic mass
    ANTONYM
    Not found!
synonym
antonym

atomic mass used in phrases

  • atomic mass unit (noun)
    1. unit of mass for expressing masses of atoms or molecules
  • relative atomic mass (noun)
    1. chemistry the mass of an atom of a chemical element expressed in atomic mass units
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Fermi
Pronunciation:
Parts of Speech: noun
1901-1954 in the United States after 1939 italian nuclear physicist who worked on artificial radioactivity caused by neutron bombardment and who headed the group that in 1942 produced the first controlled nuclear reaction
atomic mass unit