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atomic mass

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
atomic mass
n.
The mass of an atom, usually expressed in atomic mass units.
atomic mass
The mass of a given atom or molecule, expressed in atomic mass units. Compare atomic weight. See also mass number.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.atomic mass - (chemistry) the mass of an atom of a chemical element expressed in atomic mass units
atomic weight, relative atomic mass
mass - the property of a body that causes it to have weight in a gravitational field
combining weight, eq, equivalent weight, equivalent - the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen
meq, milliequivalent - one-thousandth of an equivalent
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions


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? Mentioned in ? References in periodicals archive
 
Recall that EDS measures x-rays from within the outer several to hundreds of micrometers, depending upon the energy of the primary electron beam, the atomic mass of the element and the working distance and gas beam path length of the microscope.
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The principle underlying nuclear magnetic resonance (NMR) spectroscopy is that atoms having odd atomic mass or odd atomic charge number, such as hydrogen ([sup.
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