noun
automated cargo spacecraft; unmanned resupply spacecraft
Technical term used in space exploration contexts, referring to a spacecraft that delivers supplies without a crew.
無人宇宙補給機が国際宇宙ステーションに物資を届けた。
The unmanned resupply spacecraft delivered supplies to the International Space Station.
Compound of 無人 (unmanned), 宇宙 (space), 補給 (supply), and 機 (machine/aircraft).