circumnavigation

noun

cir·​cum·​nav·​i·​ga·​tion ¦sər-kəm-ˌna-və-¦gā-shən 

plural -s

: the act or process of circumnavigating an object (as the earth)

when Malacca Henry arrived … he had been around the world although Magellan's men had not yet finished their circumnavigation

—R. P. Ludlum

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