geodesic
adjective/ˌdʒiːəʊˈdesɪk/, /ˌdʒiːəʊˈdiːsɪk/
/ˌdʒiːəʊˈdesɪk/, /ˌdʒiːəʊˈdiːsɪk/
(specialist)- relating to the shortest possible line between two points on a curved surfaceTopics Maths and measurementc2Word Originearly 19th cent.: from geodesy (from modern Latin geodaesia, from Greek geōdaisia, from gē ‘earth’ + daiein ‘to divide’) + -ic.
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geodesic