Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
suborbital is an adjective meaning "having or involving a trajectory of less than one orbit". It carries 2 recorded senses.
having or involving a trajectory of less than one orbit
“the first manned suborbital flight”
Definitions, synonyms and semantic relations for suborbital come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.