Orthodromics

Or`tho·drom'ics noun The art of sailing in a direct course, or on the arc of a great circle, which is the shortest distance between any two points on the surface of the globe; great-circle sailing; orthodromy.
Found on http://www.encyclo.co.uk/webster/O/35

Orthodromics

• (n.) The art of sailing in a direct course, or on the arc of a great circle, which is the shortest distance between any two points on the surface of the globe; great-circle sailing; orthodromy.
Found on http://thinkexist.com/dictionary/meaning/orthodromics/

orthodromics

great-circle sailing; sailing by most direct route
Found on http://phrontistery.info/o.html
No exact match found