Gram \Gram\, Gramme \Gramme\, n. [F. gramme, from Gr. ? that
which is written, a letter, a small weight, fr. ? to write.
See Graphic.]
The unit of weight in the metric system. It was intended to
be exactly, and is very nearly, equivalent to the weight in a
vacuum of one cubic centimeter of pure water at its maximum
density. It is equal to 15.432 grains. See Grain, n., 4.
Gram degree, or Gramme degree (Physics), a unit of heat,
being the amount of heat necessary to raise the
temperature of one gram of pure water one degree
centigrade.
Gram equivalent (Electrolysis), that quantity of the metal
which will replace one gram of hydrogen.
Source: Webster's Revised Unabridged Dictionary (1913)
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