are letters that make 'dm'
are words within 'dm'
are words created by adding a letter to 'dm'
1 possible definitions for 'dm'
Under this definition, dm is a noun and has the following properties:
have the same meaning as 'dm'
'dm' can be a type of metric linear unit.
'dm' can be a part of meter, metre, m.
centimeter, centimetre, cm
are parts of 'dm'.