We found 2 definitions of gm from 2 different sources.
Noun |
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gm - a metric unit of weight equal to one thousandth of a kilogram | ||
gram, gramme, g | ||
metric weight unit, weight unit a decimal unit of weight based on the gram | ||
decagram, dekagram, dkg, dag 10 grams | ||
obolus a Greek unit of weight equal to one tenth of a gram |