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gram-atom

or gram atom

noun, Chemistry
1.
the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element.
Also called gram-atomic mass, gram-atomic weight
[gram-uh-tom-ik, -tom-] /ˈgræm əˈtɒm ɪk, -ˌtɒm-/ (Show IPA)
.
Origin of gram-atom
1895-1900
1895-1900
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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