or gram atom
the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element.
How Are Newly Discovered Chemical Elements Named?Unlike common elements, newer elements are synthesized in a lab; they are not observed in nature. They are very unstable and quickly dissolve into other elements. So how do scientists name them?
Compare Avogadro's number.
Origin of gram-atom
First recorded in 1895–1900
Also called gram-atomic mass, gram-a·tom·ic weight [gram-uh-tom-ik, -tom-] /ˈgræm əˈtɒm ɪk, -ˌtɒm-/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for gram atom
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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012