IPA: /sʌbˈɔːbɪtəl/
KK: /sʌbˈɔrbɪtəl/
Relating to a flight path that does not complete a full orbit around a planet or celestial body, typically used for rockets or spacecraft that travel just below the edge of space.
The suborbital flight provided valuable data for future space missions.
A part that is located below or beneath an orbit, often referring to structures in the body like bones or nerves.
The surgeon examined the suborbital area for any signs of injury.
Suborbital → It is formed from "sub-" (meaning under or below) and "orbital" (from Latin "orbita", meaning path or track). The word "suborbital" refers to a trajectory that is below the path of an orbit.
Think of something that goes 'under' ('sub-') the 'path' ('orbita') of an orbit — that's what suborbital means.