The decimetre (SI symbol dm) or decimeter (American spelling) is a unit of length in the metric system, equal to one tenth of a metre (the International System of Units base unit of length), ten centimetres or 3.937 inches. ...

What does decimeter mean?

: a unit of length equal to one tenth of a meter. decimeter. noun.

What is an example of decimeter?

The definition of a decimeter is one tenth of a meter in length. An example of a decimeter is the length of about 4 inches. A metric unit of length equal to one-tenth (10^-1 ) of a meter.