milligram

[ mil-i-gram ]

noun

1. a unit of mass or weight equal to one thousandth of a gram, and equivalent to 0.0154 grain. : mg

milligram

/ ˈmɪlɪˌɡræm /

noun

1. one thousandth of a gram mg

milligram

/ mĭl′ĭ-grăm′ /

1. A unit of mass or weight in the metric system equal to 0.001 gram.
2. See Table at measurement

Word History and Origins

Origin of milligram¹

From the French word milligramme, dating back to 1800–10. See milli-, -gram ²

Word History and Origins

Origin of milligram¹

C19: from French

Example Sentences

Other potential culprits include the loss of as much as 150 milligrams per hour of calcium through sweating, and chronic inflammation and elevated stress hormones due to overtraining, which might interfere with bone repair.

From Outside Online

Increasing the amount of the enzyme from 1 milligram per gram of PET to 3 milligrams made it even more efficient — breaking down about 90 percent of the plastic.

From Science News For Students

Previous experiments have involved objects with masses of hundreds of milligrams or more.

From Science News

“If they were ten-milligram tablets, she would have taken ten to twenty of them,” Ballard quoted Francisco.

From The Daily Beast

One milligram of californium-252 will spontaneously produce over 10⁹ neutrons per second.

From Project Gutenberg

If after a second trial the loss is the same, or only increased by a milligram, the determination is finished.

From Project Gutenberg

They lose slightly in weight when in use, but the loss is uniform, and averages half a milligram per month when in daily use.

From Project Gutenberg

They are always weighed on the balance with a counterpoise, but no attempt is made to weigh them closer than to 0.5 milligram.

From Project Gutenberg

The masses commonly used are the milligram, gram and kilogram.

From Project Gutenberg