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

Opisometer

• (n.) An instrument with a revolving wheel for measuring a curved line, as on a map.
Found on http://thinkexist.com/dictionary/meaning/opisometer/

Opisometer

Mechanical device for measuring non-linear distances on maps.
Found on http://www.physicalgeography.net/physgeoglos/o.html

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/browse/GO.HTM

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 and run along its length. By counting the number of teeth ...
Found on http://en.wikipedia.org/wiki/Opisometer

opisometer

instrument for measuring curved lines
Found on http://phrontistery.info/o.html
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