Dictionary
atomic mass unit
noun
Definition of ATOMIC MASS UNIT
: a unit of mass for expressing masses of atoms, molecules, or nuclear particles equal to 1⁄12 the mass of a single atom of the most abundant carbon isotope 12C —called also dalton
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First Known Use of ATOMIC MASS UNIT
circa 1942
Medical Dictionary
atomic mass unit
noun
Medical Definition of ATOMIC MASS UNIT
: a unit of mass for expressing masses of atoms, molecules, or nuclear particles equal to 1⁄12 the mass of a single atom of the most abundant carbon isotope 12C—called also dalton
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