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Definition of Opisometer
1. n. An instrument with a revolving wheel for measuring a curved line, as on a map.
Definition of Opisometer
1. Noun. A device for measuring the length of curves, such as on a map. ¹
¹ Source: wiktionary.com
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1. n. An instrument with a revolving wheel for measuring a curved line, as on a map.
1. Noun. A device for measuring the length of curves, such as on a map. ¹
¹ Source: wiktionary.com