Meaning of ATOMIC WEIGHT

WordNet Dictionary
	Definition:		[n]  (chemistry) the ratio of the atomic mass of an element to half the atomic mass of carbon-12
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	Synonyms:		relative atomic mass
	See Also:		combining weight, eq, equivalent, equivalent weight, mass, meq, milliequivalent
Biology Dictionary
	Definition:		This is the average mass of the naturally occurring isotopes of an element; the value takes into account the different natural abundances of the isotopes. The value is expressed relative to the value of exactly 12 for carbon-12 The average weight of an atom of an element, i.e. the total mass of protons and neutrons in an atom.
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