gm.

Variant of gram

gram definition

gram (gram)

noun

the basic unit of mass in the metric system, equal to 0.03527 ounce (0.0022046 pound or 15.4321 grains): now defined in the SI system as 0.001 of the mass of the standard international kilogram (a platinum-iridium cylinder kept in France): one pound equals 453.5924 grams: abbrev. g

Etymology: Fr gramme < LL gramma, weight of two oboli < Gr, small weight, lit., what is written < graphein, to write: see graphic

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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