The governments of the United States and Great Britain having not only desired, in entering into this convention, to accomplish a particular object, but also to establish a general principle, they hereby agree to extend their protection, by treaty stipulations, to any other practicable communications, whether by canal or railway, across the isthmus which connects North and South America, and especially to the inter oceanic communications, should the same prove to be practicable, whether by canal or railway, which are now proposed to be established by the way of Tehuantepec or Panama.
Englishmen ought to anticipate the difficulty by insisting on due security for the Inter-Oceanic passage.
1856 — William Vincent Wells, Walker's Expedition to Nicaragua, Stringer and Townsend, p. 204
Beside the exclusive right to cut an interoceanic canal, the Company secured the privilege of establishing a transit route through the State.
1891 — Justin Winsor, Christopher Columbus and How He Received and Imparted the Spirit of Discovery, app. 573
[They] had been misled by the broad estuary of the La Plata to think that it was really an inter-oceanic passage.
1996 — John C. Avise, James Lewis Hamrick, Conservation Genetics, Springer, →ISBN, p. 220
[N]ot only do the mtDNA lineage distributions suggest interoceanic gene flow when climate and geography permit, but they also indicate that this species can colonize readily across the equator.
2007 — Willem Renema, Biogeography, Time and Place, Springer, →ISBN, p. 146
Main patterns of oceanic and interoceanic currents.