• WordNet 3.6
    • n decigram 1/10 gram
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Century Dictionary and Cyclopedia
    • n decigram In the metric system, a weight of one tenth of a gram, equal to 1.54 grains troy.
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In literature:

Each cachet contained three decigrams of malourea, the insidious drug notorious under its trade name of Veronal.
"Dope" by Sax Rohmer
Decigrams instead of milligrams, so I heard.
"The Crime Doctor" by Ernest William Hornung