(n) :
(physics) A term used to represent the mean relative atomic mass of an element in nature, as distinct from the relative atomic mass of a single isotope.
(n) :
(physics) Former term for the more specific relative atomic mass.
(n) :
(physics) A term used to represent the mean relative atomic mass of an element in nature, as distinct from the relative atomic mass of a single isotope.
(n) :
(physics) Former term for the more specific relative atomic mass.