/mhw>, 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 ]
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