Definition from Wiktionary, the free dictionary
transplanetary (not comparable)
- Beyond the planet; across more than one planet.
2008 June 1, Rob Walker, “Water Proof”, in New York Times:
- Reid Lifset, the editor of Yale’s Journal of Industrial Ecology, says that bottle bills are a good idea but doesn’t swallow Fiji’s advocacy or other green measures as justifying the practice of transplanetary water shipments.