milligram

English Thesaurus

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

hypernym	:	metric weight unit, weight unit,
definition	:	a decimal unit of weight based on the gram (noun.quantity)

part holonym	:	mcg, microgram,
definition	:	one millionth (1/1,000,000) gram (noun.quantity)

part meronym	:	grain, metric grain,
definition	:	a weight unit used for pearls or diamonds: 50 mg or 1/4 carat (noun.quantity)