Word Study
metric grain
WORDNET DICTIONARY
Noun metric grain has 1 sense
- metric grain(n = noun.quantity) grain - a weight unit used for pearls or diamonds: 50 mg or 1/4 carat; Array is a kind of metric weight unit, weight unit
has parts: mg, milligram
is a part of decigram, dg
For further exploring for "metric grain" in Webster Dictionary Online