- A prefix, from Gr. de`ka, signifying ten; specifically (Metric
System), a prefix signifying the weight or measure that is ten times
the principal unit.
- Small weight - Unit of weight - 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. - Same as Gram the weight.