$ sudo apt-get update
$ sudo apt-get install dict-freedict-nno-nob 

dict-freedict-nno-nob is installed in your system.

Make ensure the dict-freedict-nno-nob package were installed using the commands given below,

$ sudo dpkg-query -l | grep dict-freedict-nno-nob *

You will get with dict-freedict-nno-nob package name, version, architecture and description in a table

dict-freedict-nno-nob package basic information: