Definition of Atomic mass

1. Noun. (chemistry) the mass of an atom of a chemical element expressed in atomic mass units.

Exact synonyms: Atomic Weight, Relative Atomic Mass
Generic synonyms: Mass
Specialized synonyms: Combining Weight, Eq, Equivalent, Equivalent Weight, Meq, Milliequivalent
Category relationships: Chemical Science, Chemistry

Medical Definition of Atomic mass

1. The mass of an atom relative to other atoms. The present-day basis of the scale of atomic weights is carbon, the most common isotope of this element has arbitrarily been assigned an atomic weight of 12. The unit of the scale is 1/12 the weight of the carbon atom or roughly the mass of one proton or one neutron. The atomic weight of any element is approximately equal to the total number of protons and neutrons in is nucleus (16 Dec 1997)

Lexicographical Neighbors of Atomic Mass

atomicities
atomicity
atomicity
atomics
atomic absorption spectrophotometry
atomic bomb
atomic bomb
atomic clock
atomic cocktail
atomic core
atomic energy
Atomic Energy Commission
atomic explosion
atomic heat
atomic mass (current term)
atomic mass (current term)
atomic mass unit
atomic mass unit
atomic number
atomic number
atomic number 1
atomic number 10
atomic number 100
atomic number 101
atomic number 102
atomic number 103
atomic number 104
atomic number 105
atomic number 106
atomic number 107

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