n. Symbol for the decimeter (decimetre), an SI unit of length equal to 10−1 meters (metres).
The Century Dictionary and Cyclopedia
n. Abbreviations of decimeter, square decimeter, cubic decimeter.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. diabetes caused by a relative or absolute deficiency of insulin and characterized by polyuria
n. a metric unit of length equal to one tenth of a meter
Word Usage
"Delta Air Lines agents with special Twitter training have been rotating shifts to help travelers wired enough to know how to "dm," or send a direct message."