gram' at"om

the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element. Also called gram'-a•tom'ic weight' Pronunciation: (gram'u-tom'ik, -tom"-). [key]Cf. Avogadro's number.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

gramaryegram calorie
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