interhemispheric

[ in-ter-hem-uh-sfer-ik ]
/ ˌɪn tərˌhɛm əˈsfɛr ɪk /

adjective

of, relating to, or between hemispheres, as of the earth: interhemispheric cooperation.

Origin of interhemispheric

First recorded in 1880–85; inter- + hemispheric