Crossing or relating to both sides of the Atlantic Ocean, especially between Europe and North America.
Prefix 'trans-' (across, Latin 'transire') plus 'Atlantic.' Formalized in the late 19th century to describe shipping routes, communication, and cultural exchange.
The transatlantic cable laid in 1858 connected Europe and North America electrically for the first time—telegrams that once took weeks by ship now took minutes, completely reshaping global politics.
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