deorbit

[dee-awr-bit]Aerospace.

verb (used without object)

to depart deliberately from orbit, usually to enter a descent phase.

verb (used with object)

to cause to deliberately depart from orbit.

Origin of deorbit

First recorded in 1960–65; de- + orbit
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019