n. Symbol for the decigram, an SI unit of mass equal to 10−1 grams.
The Century Dictionary and Cyclopedia
An abbreviation of decigram.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. 1/10 gram
Word Usage
""dg" on the end of a, English word is always palatized (it's really just a substitute for "j", which never ever ends written English words barring imports like "raj"), so there's no need to mark it."