milligram Meaning, Definition & Usage

  1. noun one thousandth (1/1,000) gram
    mg.

WordNet

Mil"li*gram, Mil"li*gramme noun (Also<
  • Milligram
  • Milligramme
)
Etymology
F. milligramme; milli- milli- + gramme. See 3d Gram.
Definitions
  1. A measure of weight, in the metric system, being the thousandth part of a gram, equal to the weight of a cubic millimeter of water, or .01543 of a grain avoirdupois.

Webster 1913