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The Collaborative International Dictionary of English v.0.48 (gcide)

Gram \Gram\, Gramme \Gramme\ (gr[a^]m), n. [F. gramme, from Gr.
gra`mma that which is written, a letter, a small weight, fr.
gra`fein to write. See {Graphic.}]
The unit of mass or 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.
[1913 Webster]

{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.
[1913 Webster]


Gramme \Gramme\, n.
Same as {Gram} the weight.
[1913 Webster]