gram-atom
or gram atom
noun Chemistry.
the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element.
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Also called gram-atomic mass, gram-a·tom·ic weight [gram-uh-tom-ik, -tom-]. /ˈgræm əˈtɒm ɪk, -ˌtɒm-/.
Compare Avogadro's number.
Origin of gram-atom
First recorded in 1895–1900
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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British Dictionary definitions for gram-atom
gram atom
gram-atomic weight
noun
an amount of an element equal to its atomic weight expressed in grams: now replaced by the moleSee mole 4
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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