deorbit means the act or process of leaving orbit. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From de- + orbit.
noun
- The act or process of leaving orbit.
verb
- To cause to leave orbit.“1996, DIANE Publishing Company, Intelligence Threat Handbook
The principal improvements in the systems are the ability to return film canisters without deorbiting the spacecraft, and the extension of orbital […]”
- Of an orbiting object, such as a satellite: to leave orbit.“The Gemini emergency occurred when Gemini 8 deorbited and landed in the Northern Pacific 1000 miles south of Japan.”