2,000 English idioms, phrases and expressions that we use daily, with their meanings and origins explained...
1 An abbreviation might be formed using the first and last letter of the complete word.  2 Yard, for example, is abbreviated yd., and quart is abbreviated qt.. 3  Some measurement abbreviations are formed by using the first letter or two (or sometimes three) of the word. 4  Some examples of this are mi. ( 5 mile), in.
The abbreviation is m. Decimeter is a metric length unit and equals to one tenth of a meter. It is spelled as decimetre in europe. The abbreviation is dm. For other length unit conversions, please go to Length Conversion.