milligram

[ mil-i-gram ]
/ ˈmɪl ɪˌgræm /

noun

a unit of mass or weight equal to one thousandth of a gram, and equivalent to 0.0154 grain. Abbreviation: mg
Also especially British, mil·li·gramme.

Origin of milligram

From the French word milligramme, dating back to 1800–10. See milli-, -gram2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for milligram

British Dictionary definitions for milligram

milligram

milligramme

/ (ˈmɪlɪˌɡræm) /

noun

one thousandth of a gramSymbol: mg

Word Origin for milligram

C19: from French
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for milligram

milligram

[ mĭlĭ-grăm′ ]

n.

A metric unit of mass equal to one thousandth (10-3) of a gram.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for milligram

milligram

[ mĭlĭ-grăm′ ]

A unit of mass or weight in the metric system equal to 0.001 gram. See Table at measurement.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.