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gram-atom

or gram atom

noun

, Chemistry.
  1. the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element.


gram atom

noun

  1. an amount of an element equal to its atomic weight expressed in grams: now replaced by the mole See 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


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Word History and Origins

Origin of gram-atom1

First recorded in 1895–1900

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