Look up: opisometer

1. Opisometer
   Op`i·som'e·ter noun [ Greek ... backwards + -meter .] An instrument with a revolving wheel for measuring a curved line, as on a map.
   Found on http://www.encyclo.co.uk/webster/O/25
   
   
2. Opisometer
   • (n.) An instrument with a revolving wheel for measuring a curved line, as on a map.
   Found on http://thinkexist.com/dictionary/meaning
   
   
3. Opisometer
   Mechanical device for measuring non-linear distances on maps.
   Found on http://www.physicalgeography.net/physgeo
   
   
4. Opisometer
   An opisometer is an instrument with a revolving wheel used for measuring a curved line, such as on a map.
   Found on http://www.probertencyclopaedia.com/brow
   
   
5. Opisometer
   An `opisometer`, also called a `curvimeter`, `meilograph` or `map measurer`, is an instrument for measuring the lengths of arbitrary curved lines. A simple opisometer consists of a toothed wheel of known circumference on a handle. The wheel is placed in contact with the curved line to be measured an...
   Found on http://en.wikipedia.org/wiki/Opisometer