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 112 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 112 the mass of a single atom of the most abundant carbon isotope 12C—called also dalton

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