chartometer

== English == === Etymology === From chart +‎ -o- +‎ -meter. === Noun === chartometer (plural chartometers) An instrument for measuring distances of charts or maps. === References === “chartometer”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. === Anagrams === tetrachrome